Home / 2,358.42-3,254.99-1,520.17

Finding the Fourth Proportional to 2,358.42, 3,254.99 and 1,520.17

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Solution

The fourth proportional to 2,358.42, 3,254.99 and 1,520.17 is: 2,098.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,358.42 : 3,254.99 = 1,520.17 : x
  2. Step 2: Convert to fraction form
    2,358.42/3,254.99 = 1,520.17/x
  3. Step 3: Cross multiply
    2,358.42x = 3,254.99 × 1,520.17
  4. Step 4: Simplify right side
    2,358.42x = 4,948,122.41
  5. Step 5: Solve for x
    x = 4,948,122.41/2,358.42
  6. Step 6: Final answer
    x = 2,098.07

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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.