Home / 2,032.16-2,800.31-1,778.76

Finding the Fourth Proportional to 2,032.16, 2,800.31 and 1,778.76

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Solution

The fourth proportional to 2,032.16, 2,800.31 and 1,778.76 is: 2,451.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,032.16 : 2,800.31 = 1,778.76 : x
  2. Step 2: Convert to fraction form
    2,032.16/2,800.31 = 1,778.76/x
  3. Step 3: Cross multiply
    2,032.16x = 2,800.31 × 1,778.76
  4. Step 4: Simplify right side
    2,032.16x = 4,981,070.52
  5. Step 5: Solve for x
    x = 4,981,070.52/2,032.16
  6. Step 6: Final answer
    x = 2,451.13

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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.