Home / 3,403.50-5,102.55-1,760.28

Finding the Fourth Proportional to 3,403.50, 5,102.55 and 1,760.28

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Solution

The fourth proportional to 3,403.50, 5,102.55 and 1,760.28 is: 2,639.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,403.50 : 5,102.55 = 1,760.28 : x
  2. Step 2: Convert to fraction form
    3,403.50/5,102.55 = 1,760.28/x
  3. Step 3: Cross multiply
    3,403.50x = 5,102.55 × 1,760.28
  4. Step 4: Simplify right side
    3,403.50x = 8,981,916.71
  5. Step 5: Solve for x
    x = 8,981,916.71/3,403.50
  6. Step 6: Final answer
    x = 2,639.02

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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.