Home / 5,947.74-8,921.90-4,905.81

Finding the Fourth Proportional to 5,947.74, 8,921.90 and 4,905.81

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Solution

The fourth proportional to 5,947.74, 8,921.90 and 4,905.81 is: 7,358.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,947.74 : 8,921.90 = 4,905.81 : x
  2. Step 2: Convert to fraction form
    5,947.74/8,921.90 = 4,905.81/x
  3. Step 3: Cross multiply
    5,947.74x = 8,921.90 × 4,905.81
  4. Step 4: Simplify right side
    5,947.74x = 43,769,121.71
  5. Step 5: Solve for x
    x = 43,769,121.71/5,947.74
  6. Step 6: Final answer
    x = 7,358.95

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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.