Home / 9,029.42-13,539.10-2,787.67

Finding the Fourth Proportional to 9,029.42, 13,539.10 and 2,787.67

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Solution

The fourth proportional to 9,029.42, 13,539.10 and 2,787.67 is: 4,179.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,029.42 : 13,539.10 = 2,787.67 : x
  2. Step 2: Convert to fraction form
    9,029.42/13,539.10 = 2,787.67/x
  3. Step 3: Cross multiply
    9,029.42x = 13,539.10 × 2,787.67
  4. Step 4: Simplify right side
    9,029.42x = 37,742,542.90
  5. Step 5: Solve for x
    x = 37,742,542.90/9,029.42
  6. Step 6: Final answer
    x = 4,179.95

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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.