Home / 5,047.40-7,571.10-2,275.38

Finding the Fourth Proportional to 5,047.40, 7,571.10 and 2,275.38

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Solution

The fourth proportional to 5,047.40, 7,571.10 and 2,275.38 is: 3,413.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,047.40 : 7,571.10 = 2,275.38 : x
  2. Step 2: Convert to fraction form
    5,047.40/7,571.10 = 2,275.38/x
  3. Step 3: Cross multiply
    5,047.40x = 7,571.10 × 2,275.38
  4. Step 4: Simplify right side
    5,047.40x = 17,227,129.52
  5. Step 5: Solve for x
    x = 17,227,129.52/5,047.40
  6. Step 6: Final answer
    x = 3,413.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.