Home / 1,619.86-2,236.05-1,097.44

Finding the Fourth Proportional to 1,619.86, 2,236.05 and 1,097.44

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Solution

The fourth proportional to 1,619.86, 2,236.05 and 1,097.44 is: 1,514.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619.86 : 2,236.05 = 1,097.44 : x
  2. Step 2: Convert to fraction form
    1,619.86/2,236.05 = 1,097.44/x
  3. Step 3: Cross multiply
    1,619.86x = 2,236.05 × 1,097.44
  4. Step 4: Simplify right side
    1,619.86x = 2,453,930.71
  5. Step 5: Solve for x
    x = 2,453,930.71/1,619.86
  6. Step 6: Final answer
    x = 1,514.90

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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.