Home / 7,318.28-10,100.22-4,175.48

Finding the Fourth Proportional to 7,318.28, 10,100.22 and 4,175.48

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Solution

The fourth proportional to 7,318.28, 10,100.22 and 4,175.48 is: 5,762.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318.28 : 10,100.22 = 4,175.48 : x
  2. Step 2: Convert to fraction form
    7,318.28/10,100.22 = 4,175.48/x
  3. Step 3: Cross multiply
    7,318.28x = 10,100.22 × 4,175.48
  4. Step 4: Simplify right side
    7,318.28x = 42,173,266.61
  5. Step 5: Solve for x
    x = 42,173,266.61/7,318.28
  6. Step 6: Final answer
    x = 5,762.73

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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.