Home / 2,195.18-3,293.31-2,015.18

Finding the Fourth Proportional to 2,195.18, 3,293.31 and 2,015.18

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Solution

The fourth proportional to 2,195.18, 3,293.31 and 2,015.18 is: 3,023.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.18 : 3,293.31 = 2,015.18 : x
  2. Step 2: Convert to fraction form
    2,195.18/3,293.31 = 2,015.18/x
  3. Step 3: Cross multiply
    2,195.18x = 3,293.31 × 2,015.18
  4. Step 4: Simplify right side
    2,195.18x = 6,636,612.45
  5. Step 5: Solve for x
    x = 6,636,612.45/2,195.18
  6. Step 6: Final answer
    x = 3,023.27

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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.