Home / 7,165.85-10,751.63-2,784.56

Finding the Fourth Proportional to 7,165.85, 10,751.63 and 2,784.56

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Solution

The fourth proportional to 7,165.85, 10,751.63 and 2,784.56 is: 4,177.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,165.85 : 10,751.63 = 2,784.56 : x
  2. Step 2: Convert to fraction form
    7,165.85/10,751.63 = 2,784.56/x
  3. Step 3: Cross multiply
    7,165.85x = 10,751.63 × 2,784.56
  4. Step 4: Simplify right side
    7,165.85x = 29,938,491.15
  5. Step 5: Solve for x
    x = 29,938,491.15/7,165.85
  6. Step 6: Final answer
    x = 4,177.94

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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.