Home / 3,877.18-5,351.28-2,304.97

Finding the Fourth Proportional to 3,877.18, 5,351.28 and 2,304.97

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Solution

The fourth proportional to 3,877.18, 5,351.28 and 2,304.97 is: 3,181.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,877.18 : 5,351.28 = 2,304.97 : x
  2. Step 2: Convert to fraction form
    3,877.18/5,351.28 = 2,304.97/x
  3. Step 3: Cross multiply
    3,877.18x = 5,351.28 × 2,304.97
  4. Step 4: Simplify right side
    3,877.18x = 12,334,501.58
  5. Step 5: Solve for x
    x = 12,334,501.58/3,877.18
  6. Step 6: Final answer
    x = 3,181.31

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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.