Home / 1,899.98-2,622-1,060.75

Finding the Fourth Proportional to 1,899.98, 2,622 and 1,060.75

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Solution

The fourth proportional to 1,899.98, 2,622 and 1,060.75 is: 1,463.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899.98 : 2,622 = 1,060.75 : x
  2. Step 2: Convert to fraction form
    1,899.98/2,622 = 1,060.75/x
  3. Step 3: Cross multiply
    1,899.98x = 2,622 × 1,060.75
  4. Step 4: Simplify right side
    1,899.98x = 2,781,286.50
  5. Step 5: Solve for x
    x = 2,781,286.50/1,899.98
  6. Step 6: Final answer
    x = 1,463.85

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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.