Home / 3,575.28-4,932.90-2,984.88

Finding the Fourth Proportional to 3,575.28, 4,932.90 and 2,984.88

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Solution

The fourth proportional to 3,575.28, 4,932.90 and 2,984.88 is: 4,118.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,575.28 : 4,932.90 = 2,984.88 : x
  2. Step 2: Convert to fraction form
    3,575.28/4,932.90 = 2,984.88/x
  3. Step 3: Cross multiply
    3,575.28x = 4,932.90 × 2,984.88
  4. Step 4: Simplify right side
    3,575.28x = 14,724,114.55
  5. Step 5: Solve for x
    x = 14,724,114.55/3,575.28
  6. Step 6: Final answer
    x = 4,118.31

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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.