Home / 5,113.11-7,663.38-2,646.52

Finding the Fourth Proportional to 5,113.11, 7,663.38 and 2,646.52

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Solution

The fourth proportional to 5,113.11, 7,663.38 and 2,646.52 is: 3,966.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.11 : 7,663.38 = 2,646.52 : x
  2. Step 2: Convert to fraction form
    5,113.11/7,663.38 = 2,646.52/x
  3. Step 3: Cross multiply
    5,113.11x = 7,663.38 × 2,646.52
  4. Step 4: Simplify right side
    5,113.11x = 20,281,288.44
  5. Step 5: Solve for x
    x = 20,281,288.44/5,113.11
  6. Step 6: Final answer
    x = 3,966.53

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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.