Home / 5,389.28-8,036.32-4,733.84

Finding the Fourth Proportional to 5,389.28, 8,036.32 and 4,733.84

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Solution

The fourth proportional to 5,389.28, 8,036.32 and 4,733.84 is: 7,058.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389.28 : 8,036.32 = 4,733.84 : x
  2. Step 2: Convert to fraction form
    5,389.28/8,036.32 = 4,733.84/x
  3. Step 3: Cross multiply
    5,389.28x = 8,036.32 × 4,733.84
  4. Step 4: Simplify right side
    5,389.28x = 38,042,601.05
  5. Step 5: Solve for x
    x = 38,042,601.05/5,389.28
  6. Step 6: Final answer
    x = 7,058.95

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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.