Home / 5,435.16-8,147.94-2,355.48

Finding the Fourth Proportional to 5,435.16, 8,147.94 and 2,355.48

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Solution

The fourth proportional to 5,435.16, 8,147.94 and 2,355.48 is: 3,531.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435.16 : 8,147.94 = 2,355.48 : x
  2. Step 2: Convert to fraction form
    5,435.16/8,147.94 = 2,355.48/x
  3. Step 3: Cross multiply
    5,435.16x = 8,147.94 × 2,355.48
  4. Step 4: Simplify right side
    5,435.16x = 19,192,309.71
  5. Step 5: Solve for x
    x = 19,192,309.71/5,435.16
  6. Step 6: Final answer
    x = 3,531.14

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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.