Home / 5,289.73-7,931.86-2,326.95

Finding the Fourth Proportional to 5,289.73, 7,931.86 and 2,326.95

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Solution

The fourth proportional to 5,289.73, 7,931.86 and 2,326.95 is: 3,489.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.73 : 7,931.86 = 2,326.95 : x
  2. Step 2: Convert to fraction form
    5,289.73/7,931.86 = 2,326.95/x
  3. Step 3: Cross multiply
    5,289.73x = 7,931.86 × 2,326.95
  4. Step 4: Simplify right side
    5,289.73x = 18,457,035.81
  5. Step 5: Solve for x
    x = 18,457,035.81/5,289.73
  6. Step 6: Final answer
    x = 3,489.22

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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.