Home / 5,363.12-8,042.40-2,443.28

Finding the Fourth Proportional to 5,363.12, 8,042.40 and 2,443.28

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Solution

The fourth proportional to 5,363.12, 8,042.40 and 2,443.28 is: 3,663.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,363.12 : 8,042.40 = 2,443.28 : x
  2. Step 2: Convert to fraction form
    5,363.12/8,042.40 = 2,443.28/x
  3. Step 3: Cross multiply
    5,363.12x = 8,042.40 × 2,443.28
  4. Step 4: Simplify right side
    5,363.12x = 19,649,835.07
  5. Step 5: Solve for x
    x = 19,649,835.07/5,363.12
  6. Step 6: Final answer
    x = 3,663.88

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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.