Home / 5,244.71-7,236.78-3,148.88

Finding the Fourth Proportional to 5,244.71, 7,236.78 and 3,148.88

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Solution

The fourth proportional to 5,244.71, 7,236.78 and 3,148.88 is: 4,344.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,244.71 : 7,236.78 = 3,148.88 : x
  2. Step 2: Convert to fraction form
    5,244.71/7,236.78 = 3,148.88/x
  3. Step 3: Cross multiply
    5,244.71x = 7,236.78 × 3,148.88
  4. Step 4: Simplify right side
    5,244.71x = 22,787,751.81
  5. Step 5: Solve for x
    x = 22,787,751.81/5,244.71
  6. Step 6: Final answer
    x = 4,344.90

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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.