Home / 4,181.50-5,768.42-3,518.10

Finding the Fourth Proportional to 4,181.50, 5,768.42 and 3,518.10

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Solution

The fourth proportional to 4,181.50, 5,768.42 and 3,518.10 is: 4,853.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,181.50 : 5,768.42 = 3,518.10 : x
  2. Step 2: Convert to fraction form
    4,181.50/5,768.42 = 3,518.10/x
  3. Step 3: Cross multiply
    4,181.50x = 5,768.42 × 3,518.10
  4. Step 4: Simplify right side
    4,181.50x = 20,293,878.40
  5. Step 5: Solve for x
    x = 20,293,878.40/4,181.50
  6. Step 6: Final answer
    x = 4,853.25

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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.