Home / 5,070.40-6,995.92-2,974.12

Finding the Fourth Proportional to 5,070.40, 6,995.92 and 2,974.12

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Solution

The fourth proportional to 5,070.40, 6,995.92 and 2,974.12 is: 4,103.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,070.40 : 6,995.92 = 2,974.12 : x
  2. Step 2: Convert to fraction form
    5,070.40/6,995.92 = 2,974.12/x
  3. Step 3: Cross multiply
    5,070.40x = 6,995.92 × 2,974.12
  4. Step 4: Simplify right side
    5,070.40x = 20,806,705.59
  5. Step 5: Solve for x
    x = 20,806,705.59/5,070.40
  6. Step 6: Final answer
    x = 4,103.56

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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.