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Finding the Fourth Proportional to 2,194.14, 3,292.80 and 877.14

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Solution

The fourth proportional to 2,194.14, 3,292.80 and 877.14 is: 1,316.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,194.14 : 3,292.80 = 877.14 : x
  2. Step 2: Convert to fraction form
    2,194.14/3,292.80 = 877.14/x
  3. Step 3: Cross multiply
    2,194.14x = 3,292.80 × 877.14
  4. Step 4: Simplify right side
    2,194.14x = 2,888,246.59
  5. Step 5: Solve for x
    x = 2,888,246.59/2,194.14
  6. Step 6: Final answer
    x = 1,316.35

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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.