Home / 4,548.80-6,275.40-2,974.88

Finding the Fourth Proportional to 4,548.80, 6,275.40 and 2,974.88

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Solution

The fourth proportional to 4,548.80, 6,275.40 and 2,974.88 is: 4,104.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,548.80 : 6,275.40 = 2,974.88 : x
  2. Step 2: Convert to fraction form
    4,548.80/6,275.40 = 2,974.88/x
  3. Step 3: Cross multiply
    4,548.80x = 6,275.40 × 2,974.88
  4. Step 4: Simplify right side
    4,548.80x = 18,668,561.95
  5. Step 5: Solve for x
    x = 18,668,561.95/4,548.80
  6. Step 6: Final answer
    x = 4,104.06

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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.