Home / 5,748.23-7,935.58-3,869.69

Finding the Fourth Proportional to 5,748.23, 7,935.58 and 3,869.69

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Solution

The fourth proportional to 5,748.23, 7,935.58 and 3,869.69 is: 5,342.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,748.23 : 7,935.58 = 3,869.69 : x
  2. Step 2: Convert to fraction form
    5,748.23/7,935.58 = 3,869.69/x
  3. Step 3: Cross multiply
    5,748.23x = 7,935.58 × 3,869.69
  4. Step 4: Simplify right side
    5,748.23x = 30,708,234.57
  5. Step 5: Solve for x
    x = 30,708,234.57/5,748.23
  6. Step 6: Final answer
    x = 5,342.21

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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.