Home / 5,314.08-7,324.90-3,612.09

Finding the Fourth Proportional to 5,314.08, 7,324.90 and 3,612.09

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Solution

The fourth proportional to 5,314.08, 7,324.90 and 3,612.09 is: 4,978.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,314.08 : 7,324.90 = 3,612.09 : x
  2. Step 2: Convert to fraction form
    5,314.08/7,324.90 = 3,612.09/x
  3. Step 3: Cross multiply
    5,314.08x = 7,324.90 × 3,612.09
  4. Step 4: Simplify right side
    5,314.08x = 26,458,198.04
  5. Step 5: Solve for x
    x = 26,458,198.04/5,314.08
  6. Step 6: Final answer
    x = 4,978.89

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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.