Home / 5,073.78-7,607.40-2,114.28

Finding the Fourth Proportional to 5,073.78, 7,607.40 and 2,114.28

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Solution

The fourth proportional to 5,073.78, 7,607.40 and 2,114.28 is: 3,170.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,073.78 : 7,607.40 = 2,114.28 : x
  2. Step 2: Convert to fraction form
    5,073.78/7,607.40 = 2,114.28/x
  3. Step 3: Cross multiply
    5,073.78x = 7,607.40 × 2,114.28
  4. Step 4: Simplify right side
    5,073.78x = 16,084,173.67
  5. Step 5: Solve for x
    x = 16,084,173.67/5,073.78
  6. Step 6: Final answer
    x = 3,170.06

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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.