Home / 5,621.46-7,756.74-3,263.15

Finding the Fourth Proportional to 5,621.46, 7,756.74 and 3,263.15

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Solution

The fourth proportional to 5,621.46, 7,756.74 and 3,263.15 is: 4,502.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621.46 : 7,756.74 = 3,263.15 : x
  2. Step 2: Convert to fraction form
    5,621.46/7,756.74 = 3,263.15/x
  3. Step 3: Cross multiply
    5,621.46x = 7,756.74 × 3,263.15
  4. Step 4: Simplify right side
    5,621.46x = 25,311,367.35
  5. Step 5: Solve for x
    x = 25,311,367.35/5,621.46
  6. Step 6: Final answer
    x = 4,502.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.