Home / 4,817.77-6,648.18-2,721.49

Finding the Fourth Proportional to 4,817.77, 6,648.18 and 2,721.49

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Solution

The fourth proportional to 4,817.77, 6,648.18 and 2,721.49 is: 3,755.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,817.77 : 6,648.18 = 2,721.49 : x
  2. Step 2: Convert to fraction form
    4,817.77/6,648.18 = 2,721.49/x
  3. Step 3: Cross multiply
    4,817.77x = 6,648.18 × 2,721.49
  4. Step 4: Simplify right side
    4,817.77x = 18,092,955.39
  5. Step 5: Solve for x
    x = 18,092,955.39/4,817.77
  6. Step 6: Final answer
    x = 3,755.46

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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.