Home / 2,538.52-3,521.10-2,471.12

Finding the Fourth Proportional to 2,538.52, 3,521.10 and 2,471.12

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Solution

The fourth proportional to 2,538.52, 3,521.10 and 2,471.12 is: 3,427.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,538.52 : 3,521.10 = 2,471.12 : x
  2. Step 2: Convert to fraction form
    2,538.52/3,521.10 = 2,471.12/x
  3. Step 3: Cross multiply
    2,538.52x = 3,521.10 × 2,471.12
  4. Step 4: Simplify right side
    2,538.52x = 8,701,060.63
  5. Step 5: Solve for x
    x = 8,701,060.63/2,538.52
  6. Step 6: Final answer
    x = 3,427.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.