Home / 5,751.81-8,620.43-2,461.29

Finding the Fourth Proportional to 5,751.81, 8,620.43 and 2,461.29

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Solution

The fourth proportional to 5,751.81, 8,620.43 and 2,461.29 is: 3,688.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,751.81 : 8,620.43 = 2,461.29 : x
  2. Step 2: Convert to fraction form
    5,751.81/8,620.43 = 2,461.29/x
  3. Step 3: Cross multiply
    5,751.81x = 8,620.43 × 2,461.29
  4. Step 4: Simplify right side
    5,751.81x = 21,217,333.52
  5. Step 5: Solve for x
    x = 21,217,333.52/5,751.81
  6. Step 6: Final answer
    x = 3,688.81

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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.