Home / 7,384.10-11,068.25-3,679.02

Finding the Fourth Proportional to 7,384.10, 11,068.25 and 3,679.02

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Solution

The fourth proportional to 7,384.10, 11,068.25 and 3,679.02 is: 5,514.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,384.10 : 11,068.25 = 3,679.02 : x
  2. Step 2: Convert to fraction form
    7,384.10/11,068.25 = 3,679.02/x
  3. Step 3: Cross multiply
    7,384.10x = 11,068.25 × 3,679.02
  4. Step 4: Simplify right side
    7,384.10x = 40,720,294.72
  5. Step 5: Solve for x
    x = 40,720,294.72/7,384.10
  6. Step 6: Final answer
    x = 5,514.60

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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.