Home / 5,050.32-7,579.48-2,130.64

Finding the Fourth Proportional to 5,050.32, 7,579.48 and 2,130.64

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Solution

The fourth proportional to 5,050.32, 7,579.48 and 2,130.64 is: 3,197.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,050.32 : 7,579.48 = 2,130.64 : x
  2. Step 2: Convert to fraction form
    5,050.32/7,579.48 = 2,130.64/x
  3. Step 3: Cross multiply
    5,050.32x = 7,579.48 × 2,130.64
  4. Step 4: Simplify right side
    5,050.32x = 16,149,143.27
  5. Step 5: Solve for x
    x = 16,149,143.27/5,050.32
  6. Step 6: Final answer
    x = 3,197.65

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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.