Home / 4,039.88-5,575.08-2,271.53

Finding the Fourth Proportional to 4,039.88, 5,575.08 and 2,271.53

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Solution

The fourth proportional to 4,039.88, 5,575.08 and 2,271.53 is: 3,134.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,039.88 : 5,575.08 = 2,271.53 : x
  2. Step 2: Convert to fraction form
    4,039.88/5,575.08 = 2,271.53/x
  3. Step 3: Cross multiply
    4,039.88x = 5,575.08 × 2,271.53
  4. Step 4: Simplify right side
    4,039.88x = 12,663,961.47
  5. Step 5: Solve for x
    x = 12,663,961.47/4,039.88
  6. Step 6: Final answer
    x = 3,134.74

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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.