Home / 3,079.76-4,233.63-2,652.80

Finding the Fourth Proportional to 3,079.76, 4,233.63 and 2,652.80

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Solution

The fourth proportional to 3,079.76, 4,233.63 and 2,652.80 is: 3,646.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.76 : 4,233.63 = 2,652.80 : x
  2. Step 2: Convert to fraction form
    3,079.76/4,233.63 = 2,652.80/x
  3. Step 3: Cross multiply
    3,079.76x = 4,233.63 × 2,652.80
  4. Step 4: Simplify right side
    3,079.76x = 11,230,973.66
  5. Step 5: Solve for x
    x = 11,230,973.66/3,079.76
  6. Step 6: Final answer
    x = 3,646.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.