Home / 4,266.55-6,400.74-2,076.51

Finding the Fourth Proportional to 4,266.55, 6,400.74 and 2,076.51

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Solution

The fourth proportional to 4,266.55, 6,400.74 and 2,076.51 is: 3,115.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,266.55 : 6,400.74 = 2,076.51 : x
  2. Step 2: Convert to fraction form
    4,266.55/6,400.74 = 2,076.51/x
  3. Step 3: Cross multiply
    4,266.55x = 6,400.74 × 2,076.51
  4. Step 4: Simplify right side
    4,266.55x = 13,291,200.62
  5. Step 5: Solve for x
    x = 13,291,200.62/4,266.55
  6. Step 6: Final answer
    x = 3,115.21

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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.