Home / 7,518.27-10,375.12-4,160.88

Finding the Fourth Proportional to 7,518.27, 10,375.12 and 4,160.88

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Solution

The fourth proportional to 7,518.27, 10,375.12 and 4,160.88 is: 5,741.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.27 : 10,375.12 = 4,160.88 : x
  2. Step 2: Convert to fraction form
    7,518.27/10,375.12 = 4,160.88/x
  3. Step 3: Cross multiply
    7,518.27x = 10,375.12 × 4,160.88
  4. Step 4: Simplify right side
    7,518.27x = 43,169,629.31
  5. Step 5: Solve for x
    x = 43,169,629.31/7,518.27
  6. Step 6: Final answer
    x = 5,741.96

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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.