Home / 5,037.12-7,557.12-2,113.92

Finding the Fourth Proportional to 5,037.12, 7,557.12 and 2,113.92

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Solution

The fourth proportional to 5,037.12, 7,557.12 and 2,113.92 is: 3,171.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,037.12 : 7,557.12 = 2,113.92 : x
  2. Step 2: Convert to fraction form
    5,037.12/7,557.12 = 2,113.92/x
  3. Step 3: Cross multiply
    5,037.12x = 7,557.12 × 2,113.92
  4. Step 4: Simplify right side
    5,037.12x = 15,975,147.11
  5. Step 5: Solve for x
    x = 15,975,147.11/5,037.12
  6. Step 6: Final answer
    x = 3,171.48

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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.