Home / 3,752.55-5,177.50-2,240.05

Finding the Fourth Proportional to 3,752.55, 5,177.50 and 2,240.05

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Solution

The fourth proportional to 3,752.55, 5,177.50 and 2,240.05 is: 3,090.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,752.55 : 5,177.50 = 2,240.05 : x
  2. Step 2: Convert to fraction form
    3,752.55/5,177.50 = 2,240.05/x
  3. Step 3: Cross multiply
    3,752.55x = 5,177.50 × 2,240.05
  4. Step 4: Simplify right side
    3,752.55x = 11,597,848.77
  5. Step 5: Solve for x
    x = 11,597,848.77/3,752.55
  6. Step 6: Final answer
    x = 3,090.66

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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.