Home / 3,115.67-4,295.63-2,549.48

Finding the Fourth Proportional to 3,115.67, 4,295.63 and 2,549.48

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Solution

The fourth proportional to 3,115.67, 4,295.63 and 2,549.48 is: 3,515.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.67 : 4,295.63 = 2,549.48 : x
  2. Step 2: Convert to fraction form
    3,115.67/4,295.63 = 2,549.48/x
  3. Step 3: Cross multiply
    3,115.67x = 4,295.63 × 2,549.48
  4. Step 4: Simplify right side
    3,115.67x = 10,951,607.67
  5. Step 5: Solve for x
    x = 10,951,607.67/3,115.67
  6. Step 6: Final answer
    x = 3,515.01

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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.