Home / 4,263.24-6,378.66-2,591.40

Finding the Fourth Proportional to 4,263.24, 6,378.66 and 2,591.40

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Solution

The fourth proportional to 4,263.24, 6,378.66 and 2,591.40 is: 3,877.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,263.24 : 6,378.66 = 2,591.40 : x
  2. Step 2: Convert to fraction form
    4,263.24/6,378.66 = 2,591.40/x
  3. Step 3: Cross multiply
    4,263.24x = 6,378.66 × 2,591.40
  4. Step 4: Simplify right side
    4,263.24x = 16,529,659.52
  5. Step 5: Solve for x
    x = 16,529,659.52/4,263.24
  6. Step 6: Final answer
    x = 3,877.25

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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.