Home / 5,360.57-7,398.05-3,122.66

Finding the Fourth Proportional to 5,360.57, 7,398.05 and 3,122.66

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Solution

The fourth proportional to 5,360.57, 7,398.05 and 3,122.66 is: 4,309.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,360.57 : 7,398.05 = 3,122.66 : x
  2. Step 2: Convert to fraction form
    5,360.57/7,398.05 = 3,122.66/x
  3. Step 3: Cross multiply
    5,360.57x = 7,398.05 × 3,122.66
  4. Step 4: Simplify right side
    5,360.57x = 23,101,594.81
  5. Step 5: Solve for x
    x = 23,101,594.81/5,360.57
  6. Step 6: Final answer
    x = 4,309.54

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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.