Home / 5,500.31-7,590.46-2,982.43

Finding the Fourth Proportional to 5,500.31, 7,590.46 and 2,982.43

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Solution

The fourth proportional to 5,500.31, 7,590.46 and 2,982.43 is: 4,115.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,500.31 : 7,590.46 = 2,982.43 : x
  2. Step 2: Convert to fraction form
    5,500.31/7,590.46 = 2,982.43/x
  3. Step 3: Cross multiply
    5,500.31x = 7,590.46 × 2,982.43
  4. Step 4: Simplify right side
    5,500.31x = 22,637,989.19
  5. Step 5: Solve for x
    x = 22,637,989.19/5,500.31
  6. Step 6: Final answer
    x = 4,115.77

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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.