Home / 4,874.52-7,312.56-1,587.36

Finding the Fourth Proportional to 4,874.52, 7,312.56 and 1,587.36

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Solution

The fourth proportional to 4,874.52, 7,312.56 and 1,587.36 is: 2,381.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,874.52 : 7,312.56 = 1,587.36 : x
  2. Step 2: Convert to fraction form
    4,874.52/7,312.56 = 1,587.36/x
  3. Step 3: Cross multiply
    4,874.52x = 7,312.56 × 1,587.36
  4. Step 4: Simplify right side
    4,874.52x = 11,607,665.24
  5. Step 5: Solve for x
    x = 11,607,665.24/4,874.52
  6. Step 6: Final answer
    x = 2,381.29

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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.