Home / 2,660.19-3,673.38-1,667.18

Finding the Fourth Proportional to 2,660.19, 3,673.38 and 1,667.18

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Solution

The fourth proportional to 2,660.19, 3,673.38 and 1,667.18 is: 2,302.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660.19 : 3,673.38 = 1,667.18 : x
  2. Step 2: Convert to fraction form
    2,660.19/3,673.38 = 1,667.18/x
  3. Step 3: Cross multiply
    2,660.19x = 3,673.38 × 1,667.18
  4. Step 4: Simplify right side
    2,660.19x = 6,124,167.30
  5. Step 5: Solve for x
    x = 6,124,167.30/2,660.19
  6. Step 6: Final answer
    x = 2,302.15

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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.