Home / 5,026.64-7,540.32-2,105.72

Finding the Fourth Proportional to 5,026.64, 7,540.32 and 2,105.72

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Solution

The fourth proportional to 5,026.64, 7,540.32 and 2,105.72 is: 3,158.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,026.64 : 7,540.32 = 2,105.72 : x
  2. Step 2: Convert to fraction form
    5,026.64/7,540.32 = 2,105.72/x
  3. Step 3: Cross multiply
    5,026.64x = 7,540.32 × 2,105.72
  4. Step 4: Simplify right side
    5,026.64x = 15,877,802.63
  5. Step 5: Solve for x
    x = 15,877,802.63/5,026.64
  6. Step 6: Final answer
    x = 3,158.73

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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.