Home / 2,235.92-3,088.68-2,126.57

Finding the Fourth Proportional to 2,235.92, 3,088.68 and 2,126.57

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Solution

The fourth proportional to 2,235.92, 3,088.68 and 2,126.57 is: 2,937.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235.92 : 3,088.68 = 2,126.57 : x
  2. Step 2: Convert to fraction form
    2,235.92/3,088.68 = 2,126.57/x
  3. Step 3: Cross multiply
    2,235.92x = 3,088.68 × 2,126.57
  4. Step 4: Simplify right side
    2,235.92x = 6,568,294.23
  5. Step 5: Solve for x
    x = 6,568,294.23/2,235.92
  6. Step 6: Final answer
    x = 2,937.62

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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.