Home / 5,587.24-8,381.91-2,665.75

Finding the Fourth Proportional to 5,587.24, 8,381.91 and 2,665.75

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Solution

The fourth proportional to 5,587.24, 8,381.91 and 2,665.75 is: 3,999.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.24 : 8,381.91 = 2,665.75 : x
  2. Step 2: Convert to fraction form
    5,587.24/8,381.91 = 2,665.75/x
  3. Step 3: Cross multiply
    5,587.24x = 8,381.91 × 2,665.75
  4. Step 4: Simplify right side
    5,587.24x = 22,344,076.58
  5. Step 5: Solve for x
    x = 22,344,076.58/5,587.24
  6. Step 6: Final answer
    x = 3,999.13

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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.