Home / 5,856.40-8,787.39-2,936.76

Finding the Fourth Proportional to 5,856.40, 8,787.39 and 2,936.76

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Solution

The fourth proportional to 5,856.40, 8,787.39 and 2,936.76 is: 4,406.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,856.40 : 8,787.39 = 2,936.76 : x
  2. Step 2: Convert to fraction form
    5,856.40/8,787.39 = 2,936.76/x
  3. Step 3: Cross multiply
    5,856.40x = 8,787.39 × 2,936.76
  4. Step 4: Simplify right side
    5,856.40x = 25,806,455.46
  5. Step 5: Solve for x
    x = 25,806,455.46/5,856.40
  6. Step 6: Final answer
    x = 4,406.54

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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.