Home / 3,020.65-4,166.57-2,182.58

Finding the Fourth Proportional to 3,020.65, 4,166.57 and 2,182.58

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Solution

The fourth proportional to 3,020.65, 4,166.57 and 2,182.58 is: 3,010.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.65 : 4,166.57 = 2,182.58 : x
  2. Step 2: Convert to fraction form
    3,020.65/4,166.57 = 2,182.58/x
  3. Step 3: Cross multiply
    3,020.65x = 4,166.57 × 2,182.58
  4. Step 4: Simplify right side
    3,020.65x = 9,093,872.35
  5. Step 5: Solve for x
    x = 9,093,872.35/3,020.65
  6. Step 6: Final answer
    x = 3,010.57

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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.