Home / 5,551.39-8,336-3,680.16

Finding the Fourth Proportional to 5,551.39, 8,336 and 3,680.16

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Solution

The fourth proportional to 5,551.39, 8,336 and 3,680.16 is: 5,526.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.39 : 8,336 = 3,680.16 : x
  2. Step 2: Convert to fraction form
    5,551.39/8,336 = 3,680.16/x
  3. Step 3: Cross multiply
    5,551.39x = 8,336 × 3,680.16
  4. Step 4: Simplify right side
    5,551.39x = 30,677,813.76
  5. Step 5: Solve for x
    x = 30,677,813.76/5,551.39
  6. Step 6: Final answer
    x = 5,526.15

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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.