Home / 4,881.84-7,329.90-3,220.92

Finding the Fourth Proportional to 4,881.84, 7,329.90 and 3,220.92

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Solution

The fourth proportional to 4,881.84, 7,329.90 and 3,220.92 is: 4,836.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,881.84 : 7,329.90 = 3,220.92 : x
  2. Step 2: Convert to fraction form
    4,881.84/7,329.90 = 3,220.92/x
  3. Step 3: Cross multiply
    4,881.84x = 7,329.90 × 3,220.92
  4. Step 4: Simplify right side
    4,881.84x = 23,609,021.51
  5. Step 5: Solve for x
    x = 23,609,021.51/4,881.84
  6. Step 6: Final answer
    x = 4,836.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.