Home / 5,266.82-7,268.47-2,909.12

Finding the Fourth Proportional to 5,266.82, 7,268.47 and 2,909.12

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Solution

The fourth proportional to 5,266.82, 7,268.47 and 2,909.12 is: 4,014.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,266.82 : 7,268.47 = 2,909.12 : x
  2. Step 2: Convert to fraction form
    5,266.82/7,268.47 = 2,909.12/x
  3. Step 3: Cross multiply
    5,266.82x = 7,268.47 × 2,909.12
  4. Step 4: Simplify right side
    5,266.82x = 21,144,807.83
  5. Step 5: Solve for x
    x = 21,144,807.83/5,266.82
  6. Step 6: Final answer
    x = 4,014.72

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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.