Home / 5,267.32-7,268.76-2,877.28

Finding the Fourth Proportional to 5,267.32, 7,268.76 and 2,877.28

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Solution

The fourth proportional to 5,267.32, 7,268.76 and 2,877.28 is: 3,970.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,267.32 : 7,268.76 = 2,877.28 : x
  2. Step 2: Convert to fraction form
    5,267.32/7,268.76 = 2,877.28/x
  3. Step 3: Cross multiply
    5,267.32x = 7,268.76 × 2,877.28
  4. Step 4: Simplify right side
    5,267.32x = 20,914,257.77
  5. Step 5: Solve for x
    x = 20,914,257.77/5,267.32
  6. Step 6: Final answer
    x = 3,970.57

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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.