Home / 4,151.72-6,228.48-1,230.26

Finding the Fourth Proportional to 4,151.72, 6,228.48 and 1,230.26

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Solution

The fourth proportional to 4,151.72, 6,228.48 and 1,230.26 is: 1,845.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,151.72 : 6,228.48 = 1,230.26 : x
  2. Step 2: Convert to fraction form
    4,151.72/6,228.48 = 1,230.26/x
  3. Step 3: Cross multiply
    4,151.72x = 6,228.48 × 1,230.26
  4. Step 4: Simplify right side
    4,151.72x = 7,662,649.80
  5. Step 5: Solve for x
    x = 7,662,649.80/4,151.72
  6. Step 6: Final answer
    x = 1,845.66

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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.