Home / 2,680.92-3,699.74-1,502.08

Finding the Fourth Proportional to 2,680.92, 3,699.74 and 1,502.08

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Solution

The fourth proportional to 2,680.92, 3,699.74 and 1,502.08 is: 2,072.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680.92 : 3,699.74 = 1,502.08 : x
  2. Step 2: Convert to fraction form
    2,680.92/3,699.74 = 1,502.08/x
  3. Step 3: Cross multiply
    2,680.92x = 3,699.74 × 1,502.08
  4. Step 4: Simplify right side
    2,680.92x = 5,557,299.97
  5. Step 5: Solve for x
    x = 5,557,299.97/2,680.92
  6. Step 6: Final answer
    x = 2,072.91

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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.