Home / 3,114.92-4,298.64-1,717.58

Finding the Fourth Proportional to 3,114.92, 4,298.64 and 1,717.58

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Solution

The fourth proportional to 3,114.92, 4,298.64 and 1,717.58 is: 2,370.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.92 : 4,298.64 = 1,717.58 : x
  2. Step 2: Convert to fraction form
    3,114.92/4,298.64 = 1,717.58/x
  3. Step 3: Cross multiply
    3,114.92x = 4,298.64 × 1,717.58
  4. Step 4: Simplify right side
    3,114.92x = 7,383,258.09
  5. Step 5: Solve for x
    x = 7,383,258.09/3,114.92
  6. Step 6: Final answer
    x = 2,370.29

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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.