Home / 3,522.48-4,862.12-2,107.20

Finding the Fourth Proportional to 3,522.48, 4,862.12 and 2,107.20

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Solution

The fourth proportional to 3,522.48, 4,862.12 and 2,107.20 is: 2,908.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,522.48 : 4,862.12 = 2,107.20 : x
  2. Step 2: Convert to fraction form
    3,522.48/4,862.12 = 2,107.20/x
  3. Step 3: Cross multiply
    3,522.48x = 4,862.12 × 2,107.20
  4. Step 4: Simplify right side
    3,522.48x = 10,245,459.26
  5. Step 5: Solve for x
    x = 10,245,459.26/3,522.48
  6. Step 6: Final answer
    x = 2,908.59

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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.