Home / 7,319.91-10,101.12-4,133.57

Finding the Fourth Proportional to 7,319.91, 10,101.12 and 4,133.57

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Solution

The fourth proportional to 7,319.91, 10,101.12 and 4,133.57 is: 5,704.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,319.91 : 10,101.12 = 4,133.57 : x
  2. Step 2: Convert to fraction form
    7,319.91/10,101.12 = 4,133.57/x
  3. Step 3: Cross multiply
    7,319.91x = 10,101.12 × 4,133.57
  4. Step 4: Simplify right side
    7,319.91x = 41,753,676.26
  5. Step 5: Solve for x
    x = 41,753,676.26/7,319.91
  6. Step 6: Final answer
    x = 5,704.12

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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.