Home / 7,483.28-11,228.18-3,787.98

Finding the Fourth Proportional to 7,483.28, 11,228.18 and 3,787.98

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Solution

The fourth proportional to 7,483.28, 11,228.18 and 3,787.98 is: 5,683.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,483.28 : 11,228.18 = 3,787.98 : x
  2. Step 2: Convert to fraction form
    7,483.28/11,228.18 = 3,787.98/x
  3. Step 3: Cross multiply
    7,483.28x = 11,228.18 × 3,787.98
  4. Step 4: Simplify right side
    7,483.28x = 42,532,102.34
  5. Step 5: Solve for x
    x = 42,532,102.34/7,483.28
  6. Step 6: Final answer
    x = 5,683.62

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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.