Home / 2,114.30-2,917.71-1,170.11

Finding the Fourth Proportional to 2,114.30, 2,917.71 and 1,170.11

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Solution

The fourth proportional to 2,114.30, 2,917.71 and 1,170.11 is: 1,614.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.30 : 2,917.71 = 1,170.11 : x
  2. Step 2: Convert to fraction form
    2,114.30/2,917.71 = 1,170.11/x
  3. Step 3: Cross multiply
    2,114.30x = 2,917.71 × 1,170.11
  4. Step 4: Simplify right side
    2,114.30x = 3,414,027.06
  5. Step 5: Solve for x
    x = 3,414,027.06/2,114.30
  6. Step 6: Final answer
    x = 1,614.74

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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.