Home / 5,283.12-7,923.76-1,772.76

Finding the Fourth Proportional to 5,283.12, 7,923.76 and 1,772.76

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Solution

The fourth proportional to 5,283.12, 7,923.76 and 1,772.76 is: 2,658.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,283.12 : 7,923.76 = 1,772.76 : x
  2. Step 2: Convert to fraction form
    5,283.12/7,923.76 = 1,772.76/x
  3. Step 3: Cross multiply
    5,283.12x = 7,923.76 × 1,772.76
  4. Step 4: Simplify right side
    5,283.12x = 14,046,924.78
  5. Step 5: Solve for x
    x = 14,046,924.78/5,283.12
  6. Step 6: Final answer
    x = 2,658.83

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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.