Home / 4,215.73-5,816.67-2,447

Finding the Fourth Proportional to 4,215.73, 5,816.67 and 2,447

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Solution

The fourth proportional to 4,215.73, 5,816.67 and 2,447 is: 3,376.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.73 : 5,816.67 = 2,447 : x
  2. Step 2: Convert to fraction form
    4,215.73/5,816.67 = 2,447/x
  3. Step 3: Cross multiply
    4,215.73x = 5,816.67 × 2,447
  4. Step 4: Simplify right side
    4,215.73x = 14,233,391.49
  5. Step 5: Solve for x
    x = 14,233,391.49/4,215.73
  6. Step 6: Final answer
    x = 3,376.26

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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.