Home / 5,278.86-7,926.29-4,192.04

Finding the Fourth Proportional to 5,278.86, 7,926.29 and 4,192.04

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Solution

The fourth proportional to 5,278.86, 7,926.29 and 4,192.04 is: 6,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,278.86 : 7,926.29 = 4,192.04 : x
  2. Step 2: Convert to fraction form
    5,278.86/7,926.29 = 4,192.04/x
  3. Step 3: Cross multiply
    5,278.86x = 7,926.29 × 4,192.04
  4. Step 4: Simplify right side
    5,278.86x = 33,227,264.14
  5. Step 5: Solve for x
    x = 33,227,264.14/5,278.86
  6. Step 6: Final answer
    x = 6,294.40

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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.