Home / 5,685.78-8,533.96-2,914.44

Finding the Fourth Proportional to 5,685.78, 8,533.96 and 2,914.44

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Solution

The fourth proportional to 5,685.78, 8,533.96 and 2,914.44 is: 4,374.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,685.78 : 8,533.96 = 2,914.44 : x
  2. Step 2: Convert to fraction form
    5,685.78/8,533.96 = 2,914.44/x
  3. Step 3: Cross multiply
    5,685.78x = 8,533.96 × 2,914.44
  4. Step 4: Simplify right side
    5,685.78x = 24,871,714.38
  5. Step 5: Solve for x
    x = 24,871,714.38/5,685.78
  6. Step 6: Final answer
    x = 4,374.37

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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.