Home / 4,116.03-5,678.67-2,856.75

Finding the Fourth Proportional to 4,116.03, 5,678.67 and 2,856.75

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Solution

The fourth proportional to 4,116.03, 5,678.67 and 2,856.75 is: 3,941.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,116.03 : 5,678.67 = 2,856.75 : x
  2. Step 2: Convert to fraction form
    4,116.03/5,678.67 = 2,856.75/x
  3. Step 3: Cross multiply
    4,116.03x = 5,678.67 × 2,856.75
  4. Step 4: Simplify right side
    4,116.03x = 16,222,540.52
  5. Step 5: Solve for x
    x = 16,222,540.52/4,116.03
  6. Step 6: Final answer
    x = 3,941.31

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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.