Home / 5,228.61-7,216.60-3,133.95

Finding the Fourth Proportional to 5,228.61, 7,216.60 and 3,133.95

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Solution

The fourth proportional to 5,228.61, 7,216.60 and 3,133.95 is: 4,325.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228.61 : 7,216.60 = 3,133.95 : x
  2. Step 2: Convert to fraction form
    5,228.61/7,216.60 = 3,133.95/x
  3. Step 3: Cross multiply
    5,228.61x = 7,216.60 × 3,133.95
  4. Step 4: Simplify right side
    5,228.61x = 22,616,463.57
  5. Step 5: Solve for x
    x = 22,616,463.57/5,228.61
  6. Step 6: Final answer
    x = 4,325.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.