Home / 5,664.59-7,817.37-3,146.69

Finding the Fourth Proportional to 5,664.59, 7,817.37 and 3,146.69

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Solution

The fourth proportional to 5,664.59, 7,817.37 and 3,146.69 is: 4,342.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,664.59 : 7,817.37 = 3,146.69 : x
  2. Step 2: Convert to fraction form
    5,664.59/7,817.37 = 3,146.69/x
  3. Step 3: Cross multiply
    5,664.59x = 7,817.37 × 3,146.69
  4. Step 4: Simplify right side
    5,664.59x = 24,598,821.48
  5. Step 5: Solve for x
    x = 24,598,821.48/5,664.59
  6. Step 6: Final answer
    x = 4,342.56

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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.