Home / 6,455.17-8,908.77-3,803.44

Finding the Fourth Proportional to 6,455.17, 8,908.77 and 3,803.44

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Solution

The fourth proportional to 6,455.17, 8,908.77 and 3,803.44 is: 5,249.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,455.17 : 8,908.77 = 3,803.44 : x
  2. Step 2: Convert to fraction form
    6,455.17/8,908.77 = 3,803.44/x
  3. Step 3: Cross multiply
    6,455.17x = 8,908.77 × 3,803.44
  4. Step 4: Simplify right side
    6,455.17x = 33,883,972.17
  5. Step 5: Solve for x
    x = 33,883,972.17/6,455.17
  6. Step 6: Final answer
    x = 5,249.12

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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.