Home / 2,053.78-3,080.28-1,013.43

Finding the Fourth Proportional to 2,053.78, 3,080.28 and 1,013.43

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Solution

The fourth proportional to 2,053.78, 3,080.28 and 1,013.43 is: 1,519.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,053.78 : 3,080.28 = 1,013.43 : x
  2. Step 2: Convert to fraction form
    2,053.78/3,080.28 = 1,013.43/x
  3. Step 3: Cross multiply
    2,053.78x = 3,080.28 × 1,013.43
  4. Step 4: Simplify right side
    2,053.78x = 3,121,648.16
  5. Step 5: Solve for x
    x = 3,121,648.16/2,053.78
  6. Step 6: Final answer
    x = 1,519.95

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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.