Home / 7,251.12-10,874.36-2,319.59

Finding the Fourth Proportional to 7,251.12, 10,874.36 and 2,319.59

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Solution

The fourth proportional to 7,251.12, 10,874.36 and 2,319.59 is: 3,478.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,251.12 : 10,874.36 = 2,319.59 : x
  2. Step 2: Convert to fraction form
    7,251.12/10,874.36 = 2,319.59/x
  3. Step 3: Cross multiply
    7,251.12x = 10,874.36 × 2,319.59
  4. Step 4: Simplify right side
    7,251.12x = 25,224,008.14
  5. Step 5: Solve for x
    x = 25,224,008.14/7,251.12
  6. Step 6: Final answer
    x = 3,478.64

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1.5x scale

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.