Home / 5,364.78-7,404.26-3,127.97

Finding the Fourth Proportional to 5,364.78, 7,404.26 and 3,127.97

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Solution

The fourth proportional to 5,364.78, 7,404.26 and 3,127.97 is: 4,317.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,364.78 : 7,404.26 = 3,127.97 : x
  2. Step 2: Convert to fraction form
    5,364.78/7,404.26 = 3,127.97/x
  3. Step 3: Cross multiply
    5,364.78x = 7,404.26 × 3,127.97
  4. Step 4: Simplify right side
    5,364.78x = 23,160,303.15
  5. Step 5: Solve for x
    x = 23,160,303.15/5,364.78
  6. Step 6: Final answer
    x = 4,317.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.