Home / 5,085.52-7,017.96-2,961.16

Finding the Fourth Proportional to 5,085.52, 7,017.96 and 2,961.16

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Solution

The fourth proportional to 5,085.52, 7,017.96 and 2,961.16 is: 4,086.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,085.52 : 7,017.96 = 2,961.16 : x
  2. Step 2: Convert to fraction form
    5,085.52/7,017.96 = 2,961.16/x
  3. Step 3: Cross multiply
    5,085.52x = 7,017.96 × 2,961.16
  4. Step 4: Simplify right side
    5,085.52x = 20,781,302.43
  5. Step 5: Solve for x
    x = 20,781,302.43/5,085.52
  6. Step 6: Final answer
    x = 4,086.37

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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.