Home / 5,585.50-7,708.39-3,229.01

Finding the Fourth Proportional to 5,585.50, 7,708.39 and 3,229.01

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Solution

The fourth proportional to 5,585.50, 7,708.39 and 3,229.01 is: 4,456.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,585.50 : 7,708.39 = 3,229.01 : x
  2. Step 2: Convert to fraction form
    5,585.50/7,708.39 = 3,229.01/x
  3. Step 3: Cross multiply
    5,585.50x = 7,708.39 × 3,229.01
  4. Step 4: Simplify right side
    5,585.50x = 24,890,421.78
  5. Step 5: Solve for x
    x = 24,890,421.78/5,585.50
  6. Step 6: Final answer
    x = 4,456.26

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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.