Home / 5,628.83-8,402.03-4,963.80

Finding the Fourth Proportional to 5,628.83, 8,402.03 and 4,963.80

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Solution

The fourth proportional to 5,628.83, 8,402.03 and 4,963.80 is: 7,409.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.83 : 8,402.03 = 4,963.80 : x
  2. Step 2: Convert to fraction form
    5,628.83/8,402.03 = 4,963.80/x
  3. Step 3: Cross multiply
    5,628.83x = 8,402.03 × 4,963.80
  4. Step 4: Simplify right side
    5,628.83x = 41,705,972.41
  5. Step 5: Solve for x
    x = 41,705,972.41/5,628.83
  6. Step 6: Final answer
    x = 7,409.35

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.