Home / 1,612.97-2,226.38-1,053.53

Finding the Fourth Proportional to 1,612.97, 2,226.38 and 1,053.53

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Solution

The fourth proportional to 1,612.97, 2,226.38 and 1,053.53 is: 1,454.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612.97 : 2,226.38 = 1,053.53 : x
  2. Step 2: Convert to fraction form
    1,612.97/2,226.38 = 1,053.53/x
  3. Step 3: Cross multiply
    1,612.97x = 2,226.38 × 1,053.53
  4. Step 4: Simplify right side
    1,612.97x = 2,345,541.72
  5. Step 5: Solve for x
    x = 2,345,541.72/1,612.97
  6. Step 6: Final answer
    x = 1,454.18

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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.