Home / 2,086.40-3,127.78-1,044.95

Finding the Fourth Proportional to 2,086.40, 3,127.78 and 1,044.95

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Solution

The fourth proportional to 2,086.40, 3,127.78 and 1,044.95 is: 1,566.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086.40 : 3,127.78 = 1,044.95 : x
  2. Step 2: Convert to fraction form
    2,086.40/3,127.78 = 1,044.95/x
  3. Step 3: Cross multiply
    2,086.40x = 3,127.78 × 1,044.95
  4. Step 4: Simplify right side
    2,086.40x = 3,268,358.07
  5. Step 5: Solve for x
    x = 3,268,358.07/2,086.40
  6. Step 6: Final answer
    x = 1,566.51

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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.