Home / 3,972.66-5,482.52-2,294.38

Finding the Fourth Proportional to 3,972.66, 5,482.52 and 2,294.38

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Solution

The fourth proportional to 3,972.66, 5,482.52 and 2,294.38 is: 3,166.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.66 : 5,482.52 = 2,294.38 : x
  2. Step 2: Convert to fraction form
    3,972.66/5,482.52 = 2,294.38/x
  3. Step 3: Cross multiply
    3,972.66x = 5,482.52 × 2,294.38
  4. Step 4: Simplify right side
    3,972.66x = 12,578,984.24
  5. Step 5: Solve for x
    x = 12,578,984.24/3,972.66
  6. Step 6: Final answer
    x = 3,166.39

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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.