Home / 5,918.18-8,166.02-3,648.69

Finding the Fourth Proportional to 5,918.18, 8,166.02 and 3,648.69

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Solution

The fourth proportional to 5,918.18, 8,166.02 and 3,648.69 is: 5,034.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.18 : 8,166.02 = 3,648.69 : x
  2. Step 2: Convert to fraction form
    5,918.18/8,166.02 = 3,648.69/x
  3. Step 3: Cross multiply
    5,918.18x = 8,166.02 × 3,648.69
  4. Step 4: Simplify right side
    5,918.18x = 29,795,257.27
  5. Step 5: Solve for x
    x = 29,795,257.27/5,918.18
  6. Step 6: Final answer
    x = 5,034.53

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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.