Home / 2,522.49-3,480.65-1,403.43

Finding the Fourth Proportional to 2,522.49, 3,480.65 and 1,403.43

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Solution

The fourth proportional to 2,522.49, 3,480.65 and 1,403.43 is: 1,936.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,522.49 : 3,480.65 = 1,403.43 : x
  2. Step 2: Convert to fraction form
    2,522.49/3,480.65 = 1,403.43/x
  3. Step 3: Cross multiply
    2,522.49x = 3,480.65 × 1,403.43
  4. Step 4: Simplify right side
    2,522.49x = 4,884,829.88
  5. Step 5: Solve for x
    x = 4,884,829.88/2,522.49
  6. Step 6: Final answer
    x = 1,936.51

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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.