Home / 5,357.14-8,033.38-3,138.35

Finding the Fourth Proportional to 5,357.14, 8,033.38 and 3,138.35

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Solution

The fourth proportional to 5,357.14, 8,033.38 and 3,138.35 is: 4,706.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,357.14 : 8,033.38 = 3,138.35 : x
  2. Step 2: Convert to fraction form
    5,357.14/8,033.38 = 3,138.35/x
  3. Step 3: Cross multiply
    5,357.14x = 8,033.38 × 3,138.35
  4. Step 4: Simplify right side
    5,357.14x = 25,211,510.11
  5. Step 5: Solve for x
    x = 25,211,510.11/5,357.14
  6. Step 6: Final answer
    x = 4,706.15

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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.