Home / 5,426.65-8,145.44-3,666.12

Finding the Fourth Proportional to 5,426.65, 8,145.44 and 3,666.12

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Solution

The fourth proportional to 5,426.65, 8,145.44 and 3,666.12 is: 5,502.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.65 : 8,145.44 = 3,666.12 : x
  2. Step 2: Convert to fraction form
    5,426.65/8,145.44 = 3,666.12/x
  3. Step 3: Cross multiply
    5,426.65x = 8,145.44 × 3,666.12
  4. Step 4: Simplify right side
    5,426.65x = 29,862,160.49
  5. Step 5: Solve for x
    x = 29,862,160.49/5,426.65
  6. Step 6: Final answer
    x = 5,502.87

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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.