Home / 5,807.20-8,705.40-4,052.20

Finding the Fourth Proportional to 5,807.20, 8,705.40 and 4,052.20

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Solution

The fourth proportional to 5,807.20, 8,705.40 and 4,052.20 is: 6,074.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,807.20 : 8,705.40 = 4,052.20 : x
  2. Step 2: Convert to fraction form
    5,807.20/8,705.40 = 4,052.20/x
  3. Step 3: Cross multiply
    5,807.20x = 8,705.40 × 4,052.20
  4. Step 4: Simplify right side
    5,807.20x = 35,276,021.88
  5. Step 5: Solve for x
    x = 35,276,021.88/5,807.20
  6. Step 6: Final answer
    x = 6,074.53

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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.