Home / 5,264.91-7,897.71-1,516.79

Finding the Fourth Proportional to 5,264.91, 7,897.71 and 1,516.79

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Solution

The fourth proportional to 5,264.91, 7,897.71 and 1,516.79 is: 2,275.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,264.91 : 7,897.71 = 1,516.79 : x
  2. Step 2: Convert to fraction form
    5,264.91/7,897.71 = 1,516.79/x
  3. Step 3: Cross multiply
    5,264.91x = 7,897.71 × 1,516.79
  4. Step 4: Simplify right side
    5,264.91x = 11,979,167.55
  5. Step 5: Solve for x
    x = 11,979,167.55/5,264.91
  6. Step 6: Final answer
    x = 2,275.28

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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.