Home / 3,267.27-4,900.91-802.13

Finding the Fourth Proportional to 3,267.27, 4,900.91 and 802.13

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Solution

The fourth proportional to 3,267.27, 4,900.91 and 802.13 is: 1,203.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,267.27 : 4,900.91 = 802.13 : x
  2. Step 2: Convert to fraction form
    3,267.27/4,900.91 = 802.13/x
  3. Step 3: Cross multiply
    3,267.27x = 4,900.91 × 802.13
  4. Step 4: Simplify right side
    3,267.27x = 3,931,138.42
  5. Step 5: Solve for x
    x = 3,931,138.42/3,267.27
  6. Step 6: Final answer
    x = 1,203.19

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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.