Home / 5,271.75-7,275.15-3,176.01

Finding the Fourth Proportional to 5,271.75, 7,275.15 and 3,176.01

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Solution

The fourth proportional to 5,271.75, 7,275.15 and 3,176.01 is: 4,382.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.75 : 7,275.15 = 3,176.01 : x
  2. Step 2: Convert to fraction form
    5,271.75/7,275.15 = 3,176.01/x
  3. Step 3: Cross multiply
    5,271.75x = 7,275.15 × 3,176.01
  4. Step 4: Simplify right side
    5,271.75x = 23,105,949.15
  5. Step 5: Solve for x
    x = 23,105,949.15/5,271.75
  6. Step 6: Final answer
    x = 4,382.98

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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.