Home / 2,931.24-4,398.48-1,471.62

Finding the Fourth Proportional to 2,931.24, 4,398.48 and 1,471.62

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Solution

The fourth proportional to 2,931.24, 4,398.48 and 1,471.62 is: 2,208.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.24 : 4,398.48 = 1,471.62 : x
  2. Step 2: Convert to fraction form
    2,931.24/4,398.48 = 1,471.62/x
  3. Step 3: Cross multiply
    2,931.24x = 4,398.48 × 1,471.62
  4. Step 4: Simplify right side
    2,931.24x = 6,472,891.14
  5. Step 5: Solve for x
    x = 6,472,891.14/2,931.24
  6. Step 6: Final answer
    x = 2,208.24

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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.