Home / 5,039.04-6,947.52-3,974.88

Finding the Fourth Proportional to 5,039.04, 6,947.52 and 3,974.88

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Solution

The fourth proportional to 5,039.04, 6,947.52 and 3,974.88 is: 5,480.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,039.04 : 6,947.52 = 3,974.88 : x
  2. Step 2: Convert to fraction form
    5,039.04/6,947.52 = 3,974.88/x
  3. Step 3: Cross multiply
    5,039.04x = 6,947.52 × 3,974.88
  4. Step 4: Simplify right side
    5,039.04x = 27,615,558.30
  5. Step 5: Solve for x
    x = 27,615,558.30/5,039.04
  6. Step 6: Final answer
    x = 5,480.32

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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.