Home / 2,553.17-3,525.45-2,081.13

Finding the Fourth Proportional to 2,553.17, 3,525.45 and 2,081.13

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Solution

The fourth proportional to 2,553.17, 3,525.45 and 2,081.13 is: 2,873.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,553.17 : 3,525.45 = 2,081.13 : x
  2. Step 2: Convert to fraction form
    2,553.17/3,525.45 = 2,081.13/x
  3. Step 3: Cross multiply
    2,553.17x = 3,525.45 × 2,081.13
  4. Step 4: Simplify right side
    2,553.17x = 7,336,919.76
  5. Step 5: Solve for x
    x = 7,336,919.76/2,553.17
  6. Step 6: Final answer
    x = 2,873.66

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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.