Home / 5,101.11-7,652.16-1,591.14

Finding the Fourth Proportional to 5,101.11, 7,652.16 and 1,591.14

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Solution

The fourth proportional to 5,101.11, 7,652.16 and 1,591.14 is: 2,386.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101.11 : 7,652.16 = 1,591.14 : x
  2. Step 2: Convert to fraction form
    5,101.11/7,652.16 = 1,591.14/x
  3. Step 3: Cross multiply
    5,101.11x = 7,652.16 × 1,591.14
  4. Step 4: Simplify right side
    5,101.11x = 12,175,657.86
  5. Step 5: Solve for x
    x = 12,175,657.86/5,101.11
  6. Step 6: Final answer
    x = 2,386.86

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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.