Home / 5,255.87-7,252.38-2,898.14

Finding the Fourth Proportional to 5,255.87, 7,252.38 and 2,898.14

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Solution

The fourth proportional to 5,255.87, 7,252.38 and 2,898.14 is: 3,999.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.87 : 7,252.38 = 2,898.14 : x
  2. Step 2: Convert to fraction form
    5,255.87/7,252.38 = 2,898.14/x
  3. Step 3: Cross multiply
    5,255.87x = 7,252.38 × 2,898.14
  4. Step 4: Simplify right side
    5,255.87x = 21,018,376.31
  5. Step 5: Solve for x
    x = 21,018,376.31/5,255.87
  6. Step 6: Final answer
    x = 3,999.03

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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.