Home / 2,276.48-3,144.48-1,580.96

Finding the Fourth Proportional to 2,276.48, 3,144.48 and 1,580.96

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Solution

The fourth proportional to 2,276.48, 3,144.48 and 1,580.96 is: 2,183.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.48 : 3,144.48 = 1,580.96 : x
  2. Step 2: Convert to fraction form
    2,276.48/3,144.48 = 1,580.96/x
  3. Step 3: Cross multiply
    2,276.48x = 3,144.48 × 1,580.96
  4. Step 4: Simplify right side
    2,276.48x = 4,971,297.10
  5. Step 5: Solve for x
    x = 4,971,297.10/2,276.48
  6. Step 6: Final answer
    x = 2,183.76

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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.