Home / 1,592.31-2,387.95-1,103.88

Finding the Fourth Proportional to 1,592.31, 2,387.95 and 1,103.88

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Solution

The fourth proportional to 1,592.31, 2,387.95 and 1,103.88 is: 1,655.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,592.31 : 2,387.95 = 1,103.88 : x
  2. Step 2: Convert to fraction form
    1,592.31/2,387.95 = 1,103.88/x
  3. Step 3: Cross multiply
    1,592.31x = 2,387.95 × 1,103.88
  4. Step 4: Simplify right side
    1,592.31x = 2,636,010.25
  5. Step 5: Solve for x
    x = 2,636,010.25/1,592.31
  6. Step 6: Final answer
    x = 1,655.46

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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.