Home / 2,088.76-2,882.40-1,248.96

Finding the Fourth Proportional to 2,088.76, 2,882.40 and 1,248.96

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Solution

The fourth proportional to 2,088.76, 2,882.40 and 1,248.96 is: 1,723.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.76 : 2,882.40 = 1,248.96 : x
  2. Step 2: Convert to fraction form
    2,088.76/2,882.40 = 1,248.96/x
  3. Step 3: Cross multiply
    2,088.76x = 2,882.40 × 1,248.96
  4. Step 4: Simplify right side
    2,088.76x = 3,600,010.77
  5. Step 5: Solve for x
    x = 3,600,010.77/2,088.76
  6. Step 6: Final answer
    x = 1,723.52

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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.