Home / 5,162.13-7,116.24-3,815.76

Finding the Fourth Proportional to 5,162.13, 7,116.24 and 3,815.76

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Solution

The fourth proportional to 5,162.13, 7,116.24 and 3,815.76 is: 5,260.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,162.13 : 7,116.24 = 3,815.76 : x
  2. Step 2: Convert to fraction form
    5,162.13/7,116.24 = 3,815.76/x
  3. Step 3: Cross multiply
    5,162.13x = 7,116.24 × 3,815.76
  4. Step 4: Simplify right side
    5,162.13x = 27,153,863.94
  5. Step 5: Solve for x
    x = 27,153,863.94/5,162.13
  6. Step 6: Final answer
    x = 5,260.21

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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.