Home / 5,587.48-8,381.25-1,691.92

Finding the Fourth Proportional to 5,587.48, 8,381.25 and 1,691.92

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Solution

The fourth proportional to 5,587.48, 8,381.25 and 1,691.92 is: 2,537.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.48 : 8,381.25 = 1,691.92 : x
  2. Step 2: Convert to fraction form
    5,587.48/8,381.25 = 1,691.92/x
  3. Step 3: Cross multiply
    5,587.48x = 8,381.25 × 1,691.92
  4. Step 4: Simplify right side
    5,587.48x = 14,180,404.50
  5. Step 5: Solve for x
    x = 14,180,404.50/5,587.48
  6. Step 6: Final answer
    x = 2,537.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.