Home / 2,974.32-4,487.45-2,966.12

Finding the Fourth Proportional to 2,974.32, 4,487.45 and 2,966.12

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Solution

The fourth proportional to 2,974.32, 4,487.45 and 2,966.12 is: 4,475.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.32 : 4,487.45 = 2,966.12 : x
  2. Step 2: Convert to fraction form
    2,974.32/4,487.45 = 2,966.12/x
  3. Step 3: Cross multiply
    2,974.32x = 4,487.45 × 2,966.12
  4. Step 4: Simplify right side
    2,974.32x = 13,310,311.44
  5. Step 5: Solve for x
    x = 13,310,311.44/2,974.32
  6. Step 6: Final answer
    x = 4,475.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.