Home / 4,716.78-6,509.33-2,621.10

Finding the Fourth Proportional to 4,716.78, 6,509.33 and 2,621.10

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Solution

The fourth proportional to 4,716.78, 6,509.33 and 2,621.10 is: 3,617.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,716.78 : 6,509.33 = 2,621.10 : x
  2. Step 2: Convert to fraction form
    4,716.78/6,509.33 = 2,621.10/x
  3. Step 3: Cross multiply
    4,716.78x = 6,509.33 × 2,621.10
  4. Step 4: Simplify right side
    4,716.78x = 17,061,604.86
  5. Step 5: Solve for x
    x = 17,061,604.86/4,716.78
  6. Step 6: Final answer
    x = 3,617.21

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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.