Home / 4,143.65-5,715.81-2,651.02

Finding the Fourth Proportional to 4,143.65, 5,715.81 and 2,651.02

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Solution

The fourth proportional to 4,143.65, 5,715.81 and 2,651.02 is: 3,656.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,143.65 : 5,715.81 = 2,651.02 : x
  2. Step 2: Convert to fraction form
    4,143.65/5,715.81 = 2,651.02/x
  3. Step 3: Cross multiply
    4,143.65x = 5,715.81 × 2,651.02
  4. Step 4: Simplify right side
    4,143.65x = 15,152,726.63
  5. Step 5: Solve for x
    x = 15,152,726.63/4,143.65
  6. Step 6: Final answer
    x = 3,656.85

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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.