Home / 7,527.20-10,387.62-4,170.33

Finding the Fourth Proportional to 7,527.20, 10,387.62 and 4,170.33

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Solution

The fourth proportional to 7,527.20, 10,387.62 and 4,170.33 is: 5,755.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,527.20 : 10,387.62 = 4,170.33 : x
  2. Step 2: Convert to fraction form
    7,527.20/10,387.62 = 4,170.33/x
  3. Step 3: Cross multiply
    7,527.20x = 10,387.62 × 4,170.33
  4. Step 4: Simplify right side
    7,527.20x = 43,319,803.31
  5. Step 5: Solve for x
    x = 43,319,803.31/7,527.20
  6. Step 6: Final answer
    x = 5,755.11

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Half scale
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Double scale
Find fourth proportional to 7,528.20, 10,389 and 4,171.33
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.