Home / 5,255.10-7,252.38-3,017.70

Finding the Fourth Proportional to 5,255.10, 7,252.38 and 3,017.70

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Solution

The fourth proportional to 5,255.10, 7,252.38 and 3,017.70 is: 4,164.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.10 : 7,252.38 = 3,017.70 : x
  2. Step 2: Convert to fraction form
    5,255.10/7,252.38 = 3,017.70/x
  3. Step 3: Cross multiply
    5,255.10x = 7,252.38 × 3,017.70
  4. Step 4: Simplify right side
    5,255.10x = 21,885,507.13
  5. Step 5: Solve for x
    x = 21,885,507.13/5,255.10
  6. Step 6: Final answer
    x = 4,164.62

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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.