Home / 1,546.12-2,133.60-883.18

Finding the Fourth Proportional to 1,546.12, 2,133.60 and 883.18

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Solution

The fourth proportional to 1,546.12, 2,133.60 and 883.18 is: 1,218.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,546.12 : 2,133.60 = 883.18 : x
  2. Step 2: Convert to fraction form
    1,546.12/2,133.60 = 883.18/x
  3. Step 3: Cross multiply
    1,546.12x = 2,133.60 × 883.18
  4. Step 4: Simplify right side
    1,546.12x = 1,884,352.85
  5. Step 5: Solve for x
    x = 1,884,352.85/1,546.12
  6. Step 6: Final answer
    x = 1,218.76

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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.