Home / 2,841.30-3,918.65-2,522.49

Finding the Fourth Proportional to 2,841.30, 3,918.65 and 2,522.49

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Solution

The fourth proportional to 2,841.30, 3,918.65 and 2,522.49 is: 3,478.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,841.30 : 3,918.65 = 2,522.49 : x
  2. Step 2: Convert to fraction form
    2,841.30/3,918.65 = 2,522.49/x
  3. Step 3: Cross multiply
    2,841.30x = 3,918.65 × 2,522.49
  4. Step 4: Simplify right side
    2,841.30x = 9,884,742.83
  5. Step 5: Solve for x
    x = 9,884,742.83/2,841.30
  6. Step 6: Final answer
    x = 3,478.95

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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.