Home / 4,817.76-6,648.63-2,721.89

Finding the Fourth Proportional to 4,817.76, 6,648.63 and 2,721.89

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Solution

The fourth proportional to 4,817.76, 6,648.63 and 2,721.89 is: 3,756.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,817.76 : 6,648.63 = 2,721.89 : x
  2. Step 2: Convert to fraction form
    4,817.76/6,648.63 = 2,721.89/x
  3. Step 3: Cross multiply
    4,817.76x = 6,648.63 × 2,721.89
  4. Step 4: Simplify right side
    4,817.76x = 18,096,806.27
  5. Step 5: Solve for x
    x = 18,096,806.27/4,817.76
  6. Step 6: Final answer
    x = 3,756.27

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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.