Home / 2,841.04-3,920.56-1,582.10

Finding the Fourth Proportional to 2,841.04, 3,920.56 and 1,582.10

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Solution

The fourth proportional to 2,841.04, 3,920.56 and 1,582.10 is: 2,183.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,841.04 : 3,920.56 = 1,582.10 : x
  2. Step 2: Convert to fraction form
    2,841.04/3,920.56 = 1,582.10/x
  3. Step 3: Cross multiply
    2,841.04x = 3,920.56 × 1,582.10
  4. Step 4: Simplify right side
    2,841.04x = 6,202,690.46
  5. Step 5: Solve for x
    x = 6,202,690.46/2,841.04
  6. Step 6: Final answer
    x = 2,183.25

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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.