Home / 7,312.43-10,968.53-1,765.73

Finding the Fourth Proportional to 7,312.43, 10,968.53 and 1,765.73

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Solution

The fourth proportional to 7,312.43, 10,968.53 and 1,765.73 is: 2,648.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,312.43 : 10,968.53 = 1,765.73 : x
  2. Step 2: Convert to fraction form
    7,312.43/10,968.53 = 1,765.73/x
  3. Step 3: Cross multiply
    7,312.43x = 10,968.53 × 1,765.73
  4. Step 4: Simplify right side
    7,312.43x = 19,367,491.00
  5. Step 5: Solve for x
    x = 19,367,491.00/7,312.43
  6. Step 6: Final answer
    x = 2,648.57

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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.