Home / 5,267.29-7,268.89-2,877.29

Finding the Fourth Proportional to 5,267.29, 7,268.89 and 2,877.29

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Solution

The fourth proportional to 5,267.29, 7,268.89 and 2,877.29 is: 3,970.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,267.29 : 7,268.89 = 2,877.29 : x
  2. Step 2: Convert to fraction form
    5,267.29/7,268.89 = 2,877.29/x
  3. Step 3: Cross multiply
    5,267.29x = 7,268.89 × 2,877.29
  4. Step 4: Simplify right side
    5,267.29x = 20,914,724.19
  5. Step 5: Solve for x
    x = 20,914,724.19/5,267.29
  6. Step 6: Final answer
    x = 3,970.68

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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.