Home / 6,170.87-8,513.69-3,516.36

Finding the Fourth Proportional to 6,170.87, 8,513.69 and 3,516.36

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Solution

The fourth proportional to 6,170.87, 8,513.69 and 3,516.36 is: 4,851.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,170.87 : 8,513.69 = 3,516.36 : x
  2. Step 2: Convert to fraction form
    6,170.87/8,513.69 = 3,516.36/x
  3. Step 3: Cross multiply
    6,170.87x = 8,513.69 × 3,516.36
  4. Step 4: Simplify right side
    6,170.87x = 29,937,181.39
  5. Step 5: Solve for x
    x = 29,937,181.39/6,170.87
  6. Step 6: Final answer
    x = 4,851.38

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Half scale
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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.