Home / 5,292.08-7,938.32-2,005.42

Finding the Fourth Proportional to 5,292.08, 7,938.32 and 2,005.42

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Solution

The fourth proportional to 5,292.08, 7,938.32 and 2,005.42 is: 3,008.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,292.08 : 7,938.32 = 2,005.42 : x
  2. Step 2: Convert to fraction form
    5,292.08/7,938.32 = 2,005.42/x
  3. Step 3: Cross multiply
    5,292.08x = 7,938.32 × 2,005.42
  4. Step 4: Simplify right side
    5,292.08x = 15,919,635.82
  5. Step 5: Solve for x
    x = 15,919,635.82/5,292.08
  6. Step 6: Final answer
    x = 3,008.20

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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.