Home / 5,715.73-7,889.25-3,359.44

Finding the Fourth Proportional to 5,715.73, 7,889.25 and 3,359.44

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Solution

The fourth proportional to 5,715.73, 7,889.25 and 3,359.44 is: 4,636.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715.73 : 7,889.25 = 3,359.44 : x
  2. Step 2: Convert to fraction form
    5,715.73/7,889.25 = 3,359.44/x
  3. Step 3: Cross multiply
    5,715.73x = 7,889.25 × 3,359.44
  4. Step 4: Simplify right side
    5,715.73x = 26,503,462.02
  5. Step 5: Solve for x
    x = 26,503,462.02/5,715.73
  6. Step 6: Final answer
    x = 4,636.93

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1.5x scale

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.