Home / 4,938.20-7,410.90-3,294.20

Finding the Fourth Proportional to 4,938.20, 7,410.90 and 3,294.20

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Solution

The fourth proportional to 4,938.20, 7,410.90 and 3,294.20 is: 4,943.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938.20 : 7,410.90 = 3,294.20 : x
  2. Step 2: Convert to fraction form
    4,938.20/7,410.90 = 3,294.20/x
  3. Step 3: Cross multiply
    4,938.20x = 7,410.90 × 3,294.20
  4. Step 4: Simplify right side
    4,938.20x = 24,412,986.78
  5. Step 5: Solve for x
    x = 24,412,986.78/4,938.20
  6. Step 6: Final answer
    x = 4,943.70

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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.