Home / 5,357.18-7,393.20-2,999.82

Finding the Fourth Proportional to 5,357.18, 7,393.20 and 2,999.82

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Solution

The fourth proportional to 5,357.18, 7,393.20 and 2,999.82 is: 4,139.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,357.18 : 7,393.20 = 2,999.82 : x
  2. Step 2: Convert to fraction form
    5,357.18/7,393.20 = 2,999.82/x
  3. Step 3: Cross multiply
    5,357.18x = 7,393.20 × 2,999.82
  4. Step 4: Simplify right side
    5,357.18x = 22,178,269.22
  5. Step 5: Solve for x
    x = 22,178,269.22/5,357.18
  6. Step 6: Final answer
    x = 4,139.91

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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.