Home / 5,715.74-7,882.44-3,725.30

Finding the Fourth Proportional to 5,715.74, 7,882.44 and 3,725.30

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Solution

The fourth proportional to 5,715.74, 7,882.44 and 3,725.30 is: 5,137.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715.74 : 7,882.44 = 3,725.30 : x
  2. Step 2: Convert to fraction form
    5,715.74/7,882.44 = 3,725.30/x
  3. Step 3: Cross multiply
    5,715.74x = 7,882.44 × 3,725.30
  4. Step 4: Simplify right side
    5,715.74x = 29,364,453.73
  5. Step 5: Solve for x
    x = 29,364,453.73/5,715.74
  6. Step 6: Final answer
    x = 5,137.47

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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.