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Finding the Fourth Proportional to 5,357.73, 7,393.68 and 2,999.88

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Solution

The fourth proportional to 5,357.73, 7,393.68 and 2,999.88 is: 4,139.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,357.73 : 7,393.68 = 2,999.88 : x
  2. Step 2: Convert to fraction form
    5,357.73/7,393.68 = 2,999.88/x
  3. Step 3: Cross multiply
    5,357.73x = 7,393.68 × 2,999.88
  4. Step 4: Simplify right side
    5,357.73x = 22,180,152.76
  5. Step 5: Solve for x
    x = 22,180,152.76/5,357.73
  6. Step 6: Final answer
    x = 4,139.84

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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.