Home / 5,698.38-7,863.55-3,180.46

Finding the Fourth Proportional to 5,698.38, 7,863.55 and 3,180.46

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Solution

The fourth proportional to 5,698.38, 7,863.55 and 3,180.46 is: 4,388.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,698.38 : 7,863.55 = 3,180.46 : x
  2. Step 2: Convert to fraction form
    5,698.38/7,863.55 = 3,180.46/x
  3. Step 3: Cross multiply
    5,698.38x = 7,863.55 × 3,180.46
  4. Step 4: Simplify right side
    5,698.38x = 25,009,706.23
  5. Step 5: Solve for x
    x = 25,009,706.23/5,698.38
  6. Step 6: Final answer
    x = 4,388.92

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Find fourth proportional to 2,849.19, 3,931.78 and 1,590.23
Half scale
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Double scale
Find fourth proportional to 5,699.38, 7,864.93 and 3,181.46
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.