Home / 6,131.88-8,459.37-4,800.24

Finding the Fourth Proportional to 6,131.88, 8,459.37 and 4,800.24

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Solution

The fourth proportional to 6,131.88, 8,459.37 and 4,800.24 is: 6,622.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,131.88 : 8,459.37 = 4,800.24 : x
  2. Step 2: Convert to fraction form
    6,131.88/8,459.37 = 4,800.24/x
  3. Step 3: Cross multiply
    6,131.88x = 8,459.37 × 4,800.24
  4. Step 4: Simplify right side
    6,131.88x = 40,607,006.25
  5. Step 5: Solve for x
    x = 40,607,006.25/6,131.88
  6. Step 6: Final answer
    x = 6,622.28

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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.