Home / 4,180.13-6,270.20-1,258.44

Finding the Fourth Proportional to 4,180.13, 6,270.20 and 1,258.44

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Solution

The fourth proportional to 4,180.13, 6,270.20 and 1,258.44 is: 1,887.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,180.13 : 6,270.20 = 1,258.44 : x
  2. Step 2: Convert to fraction form
    4,180.13/6,270.20 = 1,258.44/x
  3. Step 3: Cross multiply
    4,180.13x = 6,270.20 × 1,258.44
  4. Step 4: Simplify right side
    4,180.13x = 7,890,664.20
  5. Step 5: Solve for x
    x = 7,890,664.20/4,180.13
  6. Step 6: Final answer
    x = 1,887.66

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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.