Home / 5,856.84-8,787.60-3,521.28

Finding the Fourth Proportional to 5,856.84, 8,787.60 and 3,521.28

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Solution

The fourth proportional to 5,856.84, 8,787.60 and 3,521.28 is: 5,283.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,856.84 : 8,787.60 = 3,521.28 : x
  2. Step 2: Convert to fraction form
    5,856.84/8,787.60 = 3,521.28/x
  3. Step 3: Cross multiply
    5,856.84x = 8,787.60 × 3,521.28
  4. Step 4: Simplify right side
    5,856.84x = 30,943,600.13
  5. Step 5: Solve for x
    x = 30,943,600.13/5,856.84
  6. Step 6: Final answer
    x = 5,283.33

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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.