Home / 3,294.04-4,540.08-2,871.76

Finding the Fourth Proportional to 3,294.04, 4,540.08 and 2,871.76

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Solution

The fourth proportional to 3,294.04, 4,540.08 and 2,871.76 is: 3,958.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,294.04 : 4,540.08 = 2,871.76 : x
  2. Step 2: Convert to fraction form
    3,294.04/4,540.08 = 2,871.76/x
  3. Step 3: Cross multiply
    3,294.04x = 4,540.08 × 2,871.76
  4. Step 4: Simplify right side
    3,294.04x = 13,038,020.14
  5. Step 5: Solve for x
    x = 13,038,020.14/3,294.04
  6. Step 6: Final answer
    x = 3,958.06

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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.