Home / 5,277.16-7,916.82-2,355.48

Finding the Fourth Proportional to 5,277.16, 7,916.82 and 2,355.48

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Solution

The fourth proportional to 5,277.16, 7,916.82 and 2,355.48 is: 3,533.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.16 : 7,916.82 = 2,355.48 : x
  2. Step 2: Convert to fraction form
    5,277.16/7,916.82 = 2,355.48/x
  3. Step 3: Cross multiply
    5,277.16x = 7,916.82 × 2,355.48
  4. Step 4: Simplify right side
    5,277.16x = 18,647,911.17
  5. Step 5: Solve for x
    x = 18,647,911.17/5,277.16
  6. Step 6: Final answer
    x = 3,533.70

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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.