Home / 5,423.45-8,138.51-2,501.97

Finding the Fourth Proportional to 5,423.45, 8,138.51 and 2,501.97

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Solution

The fourth proportional to 5,423.45, 8,138.51 and 2,501.97 is: 3,754.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.45 : 8,138.51 = 2,501.97 : x
  2. Step 2: Convert to fraction form
    5,423.45/8,138.51 = 2,501.97/x
  3. Step 3: Cross multiply
    5,423.45x = 8,138.51 × 2,501.97
  4. Step 4: Simplify right side
    5,423.45x = 20,362,295.35
  5. Step 5: Solve for x
    x = 20,362,295.35/5,423.45
  6. Step 6: Final answer
    x = 3,754.49

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1.5x scale

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.