Home / 5,191.98-7,165.15-2,954.24

Finding the Fourth Proportional to 5,191.98, 7,165.15 and 2,954.24

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Solution

The fourth proportional to 5,191.98, 7,165.15 and 2,954.24 is: 4,076.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.98 : 7,165.15 = 2,954.24 : x
  2. Step 2: Convert to fraction form
    5,191.98/7,165.15 = 2,954.24/x
  3. Step 3: Cross multiply
    5,191.98x = 7,165.15 × 2,954.24
  4. Step 4: Simplify right side
    5,191.98x = 21,167,583.26
  5. Step 5: Solve for x
    x = 21,167,583.26/5,191.98
  6. Step 6: Final answer
    x = 4,076.98

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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.