Home / 2,528.97-3,489.87-1,410.03

Finding the Fourth Proportional to 2,528.97, 3,489.87 and 1,410.03

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Solution

The fourth proportional to 2,528.97, 3,489.87 and 1,410.03 is: 1,945.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528.97 : 3,489.87 = 1,410.03 : x
  2. Step 2: Convert to fraction form
    2,528.97/3,489.87 = 1,410.03/x
  3. Step 3: Cross multiply
    2,528.97x = 3,489.87 × 1,410.03
  4. Step 4: Simplify right side
    2,528.97x = 4,920,821.40
  5. Step 5: Solve for x
    x = 4,920,821.40/2,528.97
  6. Step 6: Final answer
    x = 1,945.78

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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.