Home / 2,166.02-3,245.15-1,854.83

Finding the Fourth Proportional to 2,166.02, 3,245.15 and 1,854.83

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Solution

The fourth proportional to 2,166.02, 3,245.15 and 1,854.83 is: 2,778.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166.02 : 3,245.15 = 1,854.83 : x
  2. Step 2: Convert to fraction form
    2,166.02/3,245.15 = 1,854.83/x
  3. Step 3: Cross multiply
    2,166.02x = 3,245.15 × 1,854.83
  4. Step 4: Simplify right side
    2,166.02x = 6,019,176.07
  5. Step 5: Solve for x
    x = 6,019,176.07/2,166.02
  6. Step 6: Final answer
    x = 2,778.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.