Home / 1,906.74-2,631.29-1,110.24

Finding the Fourth Proportional to 1,906.74, 2,631.29 and 1,110.24

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Solution

The fourth proportional to 1,906.74, 2,631.29 and 1,110.24 is: 1,532.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906.74 : 2,631.29 = 1,110.24 : x
  2. Step 2: Convert to fraction form
    1,906.74/2,631.29 = 1,110.24/x
  3. Step 3: Cross multiply
    1,906.74x = 2,631.29 × 1,110.24
  4. Step 4: Simplify right side
    1,906.74x = 2,921,357.86
  5. Step 5: Solve for x
    x = 2,921,357.86/1,906.74
  6. Step 6: Final answer
    x = 1,532.12

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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.