Home / 5,631.91-8,400.27-5,306.69

Finding the Fourth Proportional to 5,631.91, 8,400.27 and 5,306.69

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Solution

The fourth proportional to 5,631.91, 8,400.27 and 5,306.69 is: 7,915.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.91 : 8,400.27 = 5,306.69 : x
  2. Step 2: Convert to fraction form
    5,631.91/8,400.27 = 5,306.69/x
  3. Step 3: Cross multiply
    5,631.91x = 8,400.27 × 5,306.69
  4. Step 4: Simplify right side
    5,631.91x = 44,577,669.71
  5. Step 5: Solve for x
    x = 44,577,669.71/5,631.91
  6. Step 6: Final answer
    x = 7,915.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.