Home / 5,203.28-7,800.52-2,428.49

Finding the Fourth Proportional to 5,203.28, 7,800.52 and 2,428.49

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Solution

The fourth proportional to 5,203.28, 7,800.52 and 2,428.49 is: 3,640.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,203.28 : 7,800.52 = 2,428.49 : x
  2. Step 2: Convert to fraction form
    5,203.28/7,800.52 = 2,428.49/x
  3. Step 3: Cross multiply
    5,203.28x = 7,800.52 × 2,428.49
  4. Step 4: Simplify right side
    5,203.28x = 18,943,484.81
  5. Step 5: Solve for x
    x = 18,943,484.81/5,203.28
  6. Step 6: Final answer
    x = 3,640.68

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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.