Home / 2,400.73-3,311.80-1,613.41

Finding the Fourth Proportional to 2,400.73, 3,311.80 and 1,613.41

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Solution

The fourth proportional to 2,400.73, 3,311.80 and 1,613.41 is: 2,225.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,400.73 : 3,311.80 = 1,613.41 : x
  2. Step 2: Convert to fraction form
    2,400.73/3,311.80 = 1,613.41/x
  3. Step 3: Cross multiply
    2,400.73x = 3,311.80 × 1,613.41
  4. Step 4: Simplify right side
    2,400.73x = 5,343,291.24
  5. Step 5: Solve for x
    x = 5,343,291.24/2,400.73
  6. Step 6: Final answer
    x = 2,225.69

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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.