Home / 5,264.80-7,264.75-2,906.78

Finding the Fourth Proportional to 5,264.80, 7,264.75 and 2,906.78

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Solution

The fourth proportional to 5,264.80, 7,264.75 and 2,906.78 is: 4,010.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,264.80 : 7,264.75 = 2,906.78 : x
  2. Step 2: Convert to fraction form
    5,264.80/7,264.75 = 2,906.78/x
  3. Step 3: Cross multiply
    5,264.80x = 7,264.75 × 2,906.78
  4. Step 4: Simplify right side
    5,264.80x = 21,117,030.01
  5. Step 5: Solve for x
    x = 21,117,030.01/5,264.80
  6. Step 6: Final answer
    x = 4,010.98

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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.