Home / 2,647.93-3,645.82-2,248.76

Finding the Fourth Proportional to 2,647.93, 3,645.82 and 2,248.76

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Solution

The fourth proportional to 2,647.93, 3,645.82 and 2,248.76 is: 3,096.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,647.93 : 3,645.82 = 2,248.76 : x
  2. Step 2: Convert to fraction form
    2,647.93/3,645.82 = 2,248.76/x
  3. Step 3: Cross multiply
    2,647.93x = 3,645.82 × 2,248.76
  4. Step 4: Simplify right side
    2,647.93x = 8,198,574.18
  5. Step 5: Solve for x
    x = 8,198,574.18/2,647.93
  6. Step 6: Final answer
    x = 3,096.22

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Half scale
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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.