Home / 4,954.74-7,431.16-2,488.90

Finding the Fourth Proportional to 4,954.74, 7,431.16 and 2,488.90

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Solution

The fourth proportional to 4,954.74, 7,431.16 and 2,488.90 is: 3,732.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,954.74 : 7,431.16 = 2,488.90 : x
  2. Step 2: Convert to fraction form
    4,954.74/7,431.16 = 2,488.90/x
  3. Step 3: Cross multiply
    4,954.74x = 7,431.16 × 2,488.90
  4. Step 4: Simplify right side
    4,954.74x = 18,495,414.12
  5. Step 5: Solve for x
    x = 18,495,414.12/4,954.74
  6. Step 6: Final answer
    x = 3,732.87

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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.