Home / 7,178.67-10,767.90-2,498.59

Finding the Fourth Proportional to 7,178.67, 10,767.90 and 2,498.59

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Solution

The fourth proportional to 7,178.67, 10,767.90 and 2,498.59 is: 3,747.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,178.67 : 10,767.90 = 2,498.59 : x
  2. Step 2: Convert to fraction form
    7,178.67/10,767.90 = 2,498.59/x
  3. Step 3: Cross multiply
    7,178.67x = 10,767.90 × 2,498.59
  4. Step 4: Simplify right side
    7,178.67x = 26,904,567.26
  5. Step 5: Solve for x
    x = 26,904,567.26/7,178.67
  6. Step 6: Final answer
    x = 3,747.85

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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.