Home / 2,409.13-3,613.94-1,110.97

Finding the Fourth Proportional to 2,409.13, 3,613.94 and 1,110.97

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Solution

The fourth proportional to 2,409.13, 3,613.94 and 1,110.97 is: 1,666.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,409.13 : 3,613.94 = 1,110.97 : x
  2. Step 2: Convert to fraction form
    2,409.13/3,613.94 = 1,110.97/x
  3. Step 3: Cross multiply
    2,409.13x = 3,613.94 × 1,110.97
  4. Step 4: Simplify right side
    2,409.13x = 4,014,973.37
  5. Step 5: Solve for x
    x = 4,014,973.37/2,409.13
  6. Step 6: Final answer
    x = 1,666.57

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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.