Home / 5,240.16-7,855.29-1,951.02

Finding the Fourth Proportional to 5,240.16, 7,855.29 and 1,951.02

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Solution

The fourth proportional to 5,240.16, 7,855.29 and 1,951.02 is: 2,924.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.16 : 7,855.29 = 1,951.02 : x
  2. Step 2: Convert to fraction form
    5,240.16/7,855.29 = 1,951.02/x
  3. Step 3: Cross multiply
    5,240.16x = 7,855.29 × 1,951.02
  4. Step 4: Simplify right side
    5,240.16x = 15,325,827.90
  5. Step 5: Solve for x
    x = 15,325,827.90/5,240.16
  6. Step 6: Final answer
    x = 2,924.69

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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.