Home / 2,841.18-3,920.58-1,582.23

Finding the Fourth Proportional to 2,841.18, 3,920.58 and 1,582.23

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Solution

The fourth proportional to 2,841.18, 3,920.58 and 1,582.23 is: 2,183.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,841.18 : 3,920.58 = 1,582.23 : x
  2. Step 2: Convert to fraction form
    2,841.18/3,920.58 = 1,582.23/x
  3. Step 3: Cross multiply
    2,841.18x = 3,920.58 × 1,582.23
  4. Step 4: Simplify right side
    2,841.18x = 6,203,259.29
  5. Step 5: Solve for x
    x = 6,203,259.29/2,841.18
  6. Step 6: Final answer
    x = 2,183.34

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Double scale
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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.