Home / 5,248.80-7,875.72-2,616.57

Finding the Fourth Proportional to 5,248.80, 7,875.72 and 2,616.57

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Solution

The fourth proportional to 5,248.80, 7,875.72 and 2,616.57 is: 3,926.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248.80 : 7,875.72 = 2,616.57 : x
  2. Step 2: Convert to fraction form
    5,248.80/7,875.72 = 2,616.57/x
  3. Step 3: Cross multiply
    5,248.80x = 7,875.72 × 2,616.57
  4. Step 4: Simplify right side
    5,248.80x = 20,607,372.68
  5. Step 5: Solve for x
    x = 20,607,372.68/5,248.80
  6. Step 6: Final answer
    x = 3,926.11

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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.