Home / 5,856.82-8,781.99-1,960.18

Finding the Fourth Proportional to 5,856.82, 8,781.99 and 1,960.18

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Solution

The fourth proportional to 5,856.82, 8,781.99 and 1,960.18 is: 2,939.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,856.82 : 8,781.99 = 1,960.18 : x
  2. Step 2: Convert to fraction form
    5,856.82/8,781.99 = 1,960.18/x
  3. Step 3: Cross multiply
    5,856.82x = 8,781.99 × 1,960.18
  4. Step 4: Simplify right side
    5,856.82x = 17,214,281.16
  5. Step 5: Solve for x
    x = 17,214,281.16/5,856.82
  6. Step 6: Final answer
    x = 2,939.19

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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.