Home / 3,675.66-5,070.20-2,182.61

Finding the Fourth Proportional to 3,675.66, 5,070.20 and 2,182.61

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Solution

The fourth proportional to 3,675.66, 5,070.20 and 2,182.61 is: 3,010.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,675.66 : 5,070.20 = 2,182.61 : x
  2. Step 2: Convert to fraction form
    3,675.66/5,070.20 = 2,182.61/x
  3. Step 3: Cross multiply
    3,675.66x = 5,070.20 × 2,182.61
  4. Step 4: Simplify right side
    3,675.66x = 11,066,232.96
  5. Step 5: Solve for x
    x = 11,066,232.96/3,675.66
  6. Step 6: Final answer
    x = 3,010.68

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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.