Home / 7,200.60-9,937.80-4,548.66

Finding the Fourth Proportional to 7,200.60, 9,937.80 and 4,548.66

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Solution

The fourth proportional to 7,200.60, 9,937.80 and 4,548.66 is: 6,277.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,200.60 : 9,937.80 = 4,548.66 : x
  2. Step 2: Convert to fraction form
    7,200.60/9,937.80 = 4,548.66/x
  3. Step 3: Cross multiply
    7,200.60x = 9,937.80 × 4,548.66
  4. Step 4: Simplify right side
    7,200.60x = 45,203,673.35
  5. Step 5: Solve for x
    x = 45,203,673.35/7,200.60
  6. Step 6: Final answer
    x = 6,277.76

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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.