Home / 7,265.88-10,905.30-4,959

Finding the Fourth Proportional to 7,265.88, 10,905.30 and 4,959

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Solution

The fourth proportional to 7,265.88, 10,905.30 and 4,959 is: 7,442.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,265.88 : 10,905.30 = 4,959 : x
  2. Step 2: Convert to fraction form
    7,265.88/10,905.30 = 4,959/x
  3. Step 3: Cross multiply
    7,265.88x = 10,905.30 × 4,959
  4. Step 4: Simplify right side
    7,265.88x = 54,079,382.70
  5. Step 5: Solve for x
    x = 54,079,382.70/7,265.88
  6. Step 6: Final answer
    x = 7,442.92

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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.