Home / 1,444.10-2,162.90-1,118.48

Finding the Fourth Proportional to 1,444.10, 2,162.90 and 1,118.48

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Solution

The fourth proportional to 1,444.10, 2,162.90 and 1,118.48 is: 1,675.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444.10 : 2,162.90 = 1,118.48 : x
  2. Step 2: Convert to fraction form
    1,444.10/2,162.90 = 1,118.48/x
  3. Step 3: Cross multiply
    1,444.10x = 2,162.90 × 1,118.48
  4. Step 4: Simplify right side
    1,444.10x = 2,419,160.39
  5. Step 5: Solve for x
    x = 2,419,160.39/1,444.10
  6. Step 6: Final answer
    x = 1,675.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.