Home / 5,246.98-7,240.99-2,889.26

Finding the Fourth Proportional to 5,246.98, 7,240.99 and 2,889.26

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Solution

The fourth proportional to 5,246.98, 7,240.99 and 2,889.26 is: 3,987.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246.98 : 7,240.99 = 2,889.26 : x
  2. Step 2: Convert to fraction form
    5,246.98/7,240.99 = 2,889.26/x
  3. Step 3: Cross multiply
    5,246.98x = 7,240.99 × 2,889.26
  4. Step 4: Simplify right side
    5,246.98x = 20,921,102.77
  5. Step 5: Solve for x
    x = 20,921,102.77/5,246.98
  6. Step 6: Final answer
    x = 3,987.27

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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.