Home / 5,591.16-8,381.70-2,125.92

Finding the Fourth Proportional to 5,591.16, 8,381.70 and 2,125.92

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Solution

The fourth proportional to 5,591.16, 8,381.70 and 2,125.92 is: 3,186.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,591.16 : 8,381.70 = 2,125.92 : x
  2. Step 2: Convert to fraction form
    5,591.16/8,381.70 = 2,125.92/x
  3. Step 3: Cross multiply
    5,591.16x = 8,381.70 × 2,125.92
  4. Step 4: Simplify right side
    5,591.16x = 17,818,823.66
  5. Step 5: Solve for x
    x = 17,818,823.66/5,591.16
  6. Step 6: Final answer
    x = 3,186.96

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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.