Home / 5,076.42-7,616.15-2,154.95

Finding the Fourth Proportional to 5,076.42, 7,616.15 and 2,154.95

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Solution

The fourth proportional to 5,076.42, 7,616.15 and 2,154.95 is: 3,233.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.42 : 7,616.15 = 2,154.95 : x
  2. Step 2: Convert to fraction form
    5,076.42/7,616.15 = 2,154.95/x
  3. Step 3: Cross multiply
    5,076.42x = 7,616.15 × 2,154.95
  4. Step 4: Simplify right side
    5,076.42x = 16,412,459.13
  5. Step 5: Solve for x
    x = 16,412,459.13/5,076.42
  6. Step 6: Final answer
    x = 3,233.08

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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.