Home / 4,943.28-7,407.56-2,748.98

Finding the Fourth Proportional to 4,943.28, 7,407.56 and 2,748.98

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Solution

The fourth proportional to 4,943.28, 7,407.56 and 2,748.98 is: 4,119.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,943.28 : 7,407.56 = 2,748.98 : x
  2. Step 2: Convert to fraction form
    4,943.28/7,407.56 = 2,748.98/x
  3. Step 3: Cross multiply
    4,943.28x = 7,407.56 × 2,748.98
  4. Step 4: Simplify right side
    4,943.28x = 20,363,234.29
  5. Step 5: Solve for x
    x = 20,363,234.29/4,943.28
  6. Step 6: Final answer
    x = 4,119.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.