Home / 5,627.26-7,760.91-4,116.70

Finding the Fourth Proportional to 5,627.26, 7,760.91 and 4,116.70

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Solution

The fourth proportional to 5,627.26, 7,760.91 and 4,116.70 is: 5,677.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,627.26 : 7,760.91 = 4,116.70 : x
  2. Step 2: Convert to fraction form
    5,627.26/7,760.91 = 4,116.70/x
  3. Step 3: Cross multiply
    5,627.26x = 7,760.91 × 4,116.70
  4. Step 4: Simplify right side
    5,627.26x = 31,949,338.20
  5. Step 5: Solve for x
    x = 31,949,338.20/5,627.26
  6. Step 6: Final answer
    x = 5,677.60

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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.