Home / 2,526.97-3,487.11-1,408.03

Finding the Fourth Proportional to 2,526.97, 3,487.11 and 1,408.03

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Solution

The fourth proportional to 2,526.97, 3,487.11 and 1,408.03 is: 1,943.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,526.97 : 3,487.11 = 1,408.03 : x
  2. Step 2: Convert to fraction form
    2,526.97/3,487.11 = 1,408.03/x
  3. Step 3: Cross multiply
    2,526.97x = 3,487.11 × 1,408.03
  4. Step 4: Simplify right side
    2,526.97x = 4,909,959.85
  5. Step 5: Solve for x
    x = 4,909,959.85/2,526.97
  6. Step 6: Final answer
    x = 1,943.02

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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.