Home / 5,101.59-7,643.32-2,133.49

Finding the Fourth Proportional to 5,101.59, 7,643.32 and 2,133.49

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Solution

The fourth proportional to 5,101.59, 7,643.32 and 2,133.49 is: 3,196.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101.59 : 7,643.32 = 2,133.49 : x
  2. Step 2: Convert to fraction form
    5,101.59/7,643.32 = 2,133.49/x
  3. Step 3: Cross multiply
    5,101.59x = 7,643.32 × 2,133.49
  4. Step 4: Simplify right side
    5,101.59x = 16,306,946.79
  5. Step 5: Solve for x
    x = 16,306,946.79/5,101.59
  6. Step 6: Final answer
    x = 3,196.44

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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.