Home / 7,684.74-11,530.62-3,787.02

Finding the Fourth Proportional to 7,684.74, 11,530.62 and 3,787.02

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Solution

The fourth proportional to 7,684.74, 11,530.62 and 3,787.02 is: 5,682.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,684.74 : 11,530.62 = 3,787.02 : x
  2. Step 2: Convert to fraction form
    7,684.74/11,530.62 = 3,787.02/x
  3. Step 3: Cross multiply
    7,684.74x = 11,530.62 × 3,787.02
  4. Step 4: Simplify right side
    7,684.74x = 43,666,688.55
  5. Step 5: Solve for x
    x = 43,666,688.55/7,684.74
  6. Step 6: Final answer
    x = 5,682.26

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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.