Home / 3,020.59-4,170.66-2,605.41

Finding the Fourth Proportional to 3,020.59, 4,170.66 and 2,605.41

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Solution

The fourth proportional to 3,020.59, 4,170.66 and 2,605.41 is: 3,597.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.59 : 4,170.66 = 2,605.41 : x
  2. Step 2: Convert to fraction form
    3,020.59/4,170.66 = 2,605.41/x
  3. Step 3: Cross multiply
    3,020.59x = 4,170.66 × 2,605.41
  4. Step 4: Simplify right side
    3,020.59x = 10,866,279.75
  5. Step 5: Solve for x
    x = 10,866,279.75/3,020.59
  6. Step 6: Final answer
    x = 3,597.40

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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.