Home / 6,261.05-8,649.25-5,000.45

Finding the Fourth Proportional to 6,261.05, 8,649.25 and 5,000.45

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Solution

The fourth proportional to 6,261.05, 8,649.25 and 5,000.45 is: 6,907.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,261.05 : 8,649.25 = 5,000.45 : x
  2. Step 2: Convert to fraction form
    6,261.05/8,649.25 = 5,000.45/x
  3. Step 3: Cross multiply
    6,261.05x = 8,649.25 × 5,000.45
  4. Step 4: Simplify right side
    6,261.05x = 43,250,142.16
  5. Step 5: Solve for x
    x = 43,250,142.16/6,261.05
  6. Step 6: Final answer
    x = 6,907.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.