Home / 1,636.18-2,260.92-1,193.32

Finding the Fourth Proportional to 1,636.18, 2,260.92 and 1,193.32

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Solution

The fourth proportional to 1,636.18, 2,260.92 and 1,193.32 is: 1,648.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636.18 : 2,260.92 = 1,193.32 : x
  2. Step 2: Convert to fraction form
    1,636.18/2,260.92 = 1,193.32/x
  3. Step 3: Cross multiply
    1,636.18x = 2,260.92 × 1,193.32
  4. Step 4: Simplify right side
    1,636.18x = 2,698,001.05
  5. Step 5: Solve for x
    x = 2,698,001.05/1,636.18
  6. Step 6: Final answer
    x = 1,648.96

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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.