Home / 5,840.10-8,758.08-2,141.28

Finding the Fourth Proportional to 5,840.10, 8,758.08 and 2,141.28

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Solution

The fourth proportional to 5,840.10, 8,758.08 and 2,141.28 is: 3,211.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,840.10 : 8,758.08 = 2,141.28 : x
  2. Step 2: Convert to fraction form
    5,840.10/8,758.08 = 2,141.28/x
  3. Step 3: Cross multiply
    5,840.10x = 8,758.08 × 2,141.28
  4. Step 4: Simplify right side
    5,840.10x = 18,753,501.54
  5. Step 5: Solve for x
    x = 18,753,501.54/5,840.10
  6. Step 6: Final answer
    x = 3,211.16

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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.