Home / 5,575.91-7,693.40-3,218.04

Finding the Fourth Proportional to 5,575.91, 7,693.40 and 3,218.04

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Solution

The fourth proportional to 5,575.91, 7,693.40 and 3,218.04 is: 4,440.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,575.91 : 7,693.40 = 3,218.04 : x
  2. Step 2: Convert to fraction form
    5,575.91/7,693.40 = 3,218.04/x
  3. Step 3: Cross multiply
    5,575.91x = 7,693.40 × 3,218.04
  4. Step 4: Simplify right side
    5,575.91x = 24,757,652.85
  5. Step 5: Solve for x
    x = 24,757,652.85/5,575.91
  6. Step 6: Final answer
    x = 4,440.11

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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.