Home / 5,340.36-8,009.40-2,052.30

Finding the Fourth Proportional to 5,340.36, 8,009.40 and 2,052.30

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Solution

The fourth proportional to 5,340.36, 8,009.40 and 2,052.30 is: 3,078.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340.36 : 8,009.40 = 2,052.30 : x
  2. Step 2: Convert to fraction form
    5,340.36/8,009.40 = 2,052.30/x
  3. Step 3: Cross multiply
    5,340.36x = 8,009.40 × 2,052.30
  4. Step 4: Simplify right side
    5,340.36x = 16,437,691.62
  5. Step 5: Solve for x
    x = 16,437,691.62/5,340.36
  6. Step 6: Final answer
    x = 3,078.01

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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.