Home / 7,302.07-10,077.23-4,115.17

Finding the Fourth Proportional to 7,302.07, 10,077.23 and 4,115.17

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Solution

The fourth proportional to 7,302.07, 10,077.23 and 4,115.17 is: 5,679.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,302.07 : 10,077.23 = 4,115.17 : x
  2. Step 2: Convert to fraction form
    7,302.07/10,077.23 = 4,115.17/x
  3. Step 3: Cross multiply
    7,302.07x = 10,077.23 × 4,115.17
  4. Step 4: Simplify right side
    7,302.07x = 41,469,514.58
  5. Step 5: Solve for x
    x = 41,469,514.58/7,302.07
  6. Step 6: Final answer
    x = 5,679.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.