Home / 7,047.29-10,571.45-2,117.31

Finding the Fourth Proportional to 7,047.29, 10,571.45 and 2,117.31

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Solution

The fourth proportional to 7,047.29, 10,571.45 and 2,117.31 is: 3,176.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,047.29 : 10,571.45 = 2,117.31 : x
  2. Step 2: Convert to fraction form
    7,047.29/10,571.45 = 2,117.31/x
  3. Step 3: Cross multiply
    7,047.29x = 10,571.45 × 2,117.31
  4. Step 4: Simplify right side
    7,047.29x = 22,382,986.57
  5. Step 5: Solve for x
    x = 22,382,986.57/7,047.29
  6. Step 6: Final answer
    x = 3,176.11

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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.