Home / 5,109.46-7,657.68-2,337.64

Finding the Fourth Proportional to 5,109.46, 7,657.68 and 2,337.64

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Solution

The fourth proportional to 5,109.46, 7,657.68 and 2,337.64 is: 3,503.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,109.46 : 7,657.68 = 2,337.64 : x
  2. Step 2: Convert to fraction form
    5,109.46/7,657.68 = 2,337.64/x
  3. Step 3: Cross multiply
    5,109.46x = 7,657.68 × 2,337.64
  4. Step 4: Simplify right side
    5,109.46x = 17,900,899.08
  5. Step 5: Solve for x
    x = 17,900,899.08/5,109.46
  6. Step 6: Final answer
    x = 3,503.48

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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.