Home / 4,872.15-6,721.99-3,456.07

Finding the Fourth Proportional to 4,872.15, 6,721.99 and 3,456.07

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Solution

The fourth proportional to 4,872.15, 6,721.99 and 3,456.07 is: 4,768.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872.15 : 6,721.99 = 3,456.07 : x
  2. Step 2: Convert to fraction form
    4,872.15/6,721.99 = 3,456.07/x
  3. Step 3: Cross multiply
    4,872.15x = 6,721.99 × 3,456.07
  4. Step 4: Simplify right side
    4,872.15x = 23,231,642.53
  5. Step 5: Solve for x
    x = 23,231,642.53/4,872.15
  6. Step 6: Final answer
    x = 4,768.25

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1.5x scale

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.