Home / 2,177.96-3,005.68-1,233.80

Finding the Fourth Proportional to 2,177.96, 3,005.68 and 1,233.80

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Solution

The fourth proportional to 2,177.96, 3,005.68 and 1,233.80 is: 1,702.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.96 : 3,005.68 = 1,233.80 : x
  2. Step 2: Convert to fraction form
    2,177.96/3,005.68 = 1,233.80/x
  3. Step 3: Cross multiply
    2,177.96x = 3,005.68 × 1,233.80
  4. Step 4: Simplify right side
    2,177.96x = 3,708,412.41
  5. Step 5: Solve for x
    x = 3,708,412.41/2,177.96
  6. Step 6: Final answer
    x = 1,702.70

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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.