Home / 3,937.16-5,902.60-1,856.06

Finding the Fourth Proportional to 3,937.16, 5,902.60 and 1,856.06

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Solution

The fourth proportional to 3,937.16, 5,902.60 and 1,856.06 is: 2,782.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937.16 : 5,902.60 = 1,856.06 : x
  2. Step 2: Convert to fraction form
    3,937.16/5,902.60 = 1,856.06/x
  3. Step 3: Cross multiply
    3,937.16x = 5,902.60 × 1,856.06
  4. Step 4: Simplify right side
    3,937.16x = 10,955,579.76
  5. Step 5: Solve for x
    x = 10,955,579.76/3,937.16
  6. Step 6: Final answer
    x = 2,782.61

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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.