Home / 4,974.20-7,452.30-2,371.40

Finding the Fourth Proportional to 4,974.20, 7,452.30 and 2,371.40

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Solution

The fourth proportional to 4,974.20, 7,452.30 and 2,371.40 is: 3,552.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,974.20 : 7,452.30 = 2,371.40 : x
  2. Step 2: Convert to fraction form
    4,974.20/7,452.30 = 2,371.40/x
  3. Step 3: Cross multiply
    4,974.20x = 7,452.30 × 2,371.40
  4. Step 4: Simplify right side
    4,974.20x = 17,672,384.22
  5. Step 5: Solve for x
    x = 17,672,384.22/4,974.20
  6. Step 6: Final answer
    x = 3,552.81

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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.