Home / 7,237.08-10,856.88-2,619

Finding the Fourth Proportional to 7,237.08, 10,856.88 and 2,619

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Solution

The fourth proportional to 7,237.08, 10,856.88 and 2,619 is: 3,928.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,237.08 : 10,856.88 = 2,619 : x
  2. Step 2: Convert to fraction form
    7,237.08/10,856.88 = 2,619/x
  3. Step 3: Cross multiply
    7,237.08x = 10,856.88 × 2,619
  4. Step 4: Simplify right side
    7,237.08x = 28,434,168.72
  5. Step 5: Solve for x
    x = 28,434,168.72/7,237.08
  6. Step 6: Final answer
    x = 3,928.96

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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.