Home / 4,175.76-6,254.62-3,930.40

Finding the Fourth Proportional to 4,175.76, 6,254.62 and 3,930.40

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Solution

The fourth proportional to 4,175.76, 6,254.62 and 3,930.40 is: 5,887.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,175.76 : 6,254.62 = 3,930.40 : x
  2. Step 2: Convert to fraction form
    4,175.76/6,254.62 = 3,930.40/x
  3. Step 3: Cross multiply
    4,175.76x = 6,254.62 × 3,930.40
  4. Step 4: Simplify right side
    4,175.76x = 24,583,158.45
  5. Step 5: Solve for x
    x = 24,583,158.45/4,175.76
  6. Step 6: Final answer
    x = 5,887.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.