Home / 2,768.18-4,152.67-2,275.09

Finding the Fourth Proportional to 2,768.18, 4,152.67 and 2,275.09

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Solution

The fourth proportional to 2,768.18, 4,152.67 and 2,275.09 is: 3,412.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.18 : 4,152.67 = 2,275.09 : x
  2. Step 2: Convert to fraction form
    2,768.18/4,152.67 = 2,275.09/x
  3. Step 3: Cross multiply
    2,768.18x = 4,152.67 × 2,275.09
  4. Step 4: Simplify right side
    2,768.18x = 9,447,681.92
  5. Step 5: Solve for x
    x = 9,447,681.92/2,768.18
  6. Step 6: Final answer
    x = 3,412.96

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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.