Home / 7,454.75-10,287.56-4,311.14

Finding the Fourth Proportional to 7,454.75, 10,287.56 and 4,311.14

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Solution

The fourth proportional to 7,454.75, 10,287.56 and 4,311.14 is: 5,949.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454.75 : 10,287.56 = 4,311.14 : x
  2. Step 2: Convert to fraction form
    7,454.75/10,287.56 = 4,311.14/x
  3. Step 3: Cross multiply
    7,454.75x = 10,287.56 × 4,311.14
  4. Step 4: Simplify right side
    7,454.75x = 44,351,111.42
  5. Step 5: Solve for x
    x = 44,351,111.42/7,454.75
  6. Step 6: Final answer
    x = 5,949.38

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Find fourth proportional to 3,727.38, 5,143.78 and 2,155.57
Half scale
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Double scale
Find fourth proportional to 7,455.75, 10,288.94 and 4,312.14
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.