Home / 5,757.04-7,936.68-4,869.28

Finding the Fourth Proportional to 5,757.04, 7,936.68 and 4,869.28

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Solution

The fourth proportional to 5,757.04, 7,936.68 and 4,869.28 is: 6,712.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,757.04 : 7,936.68 = 4,869.28 : x
  2. Step 2: Convert to fraction form
    5,757.04/7,936.68 = 4,869.28/x
  3. Step 3: Cross multiply
    5,757.04x = 7,936.68 × 4,869.28
  4. Step 4: Simplify right side
    5,757.04x = 38,645,917.19
  5. Step 5: Solve for x
    x = 38,645,917.19/5,757.04
  6. Step 6: Final answer
    x = 6,712.81

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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.