Home / 2,776.77-3,823.20-2,356.25

Finding the Fourth Proportional to 2,776.77, 3,823.20 and 2,356.25

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Solution

The fourth proportional to 2,776.77, 3,823.20 and 2,356.25 is: 3,244.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776.77 : 3,823.20 = 2,356.25 : x
  2. Step 2: Convert to fraction form
    2,776.77/3,823.20 = 2,356.25/x
  3. Step 3: Cross multiply
    2,776.77x = 3,823.20 × 2,356.25
  4. Step 4: Simplify right side
    2,776.77x = 9,008,395.88
  5. Step 5: Solve for x
    x = 9,008,395.88/2,776.77
  6. Step 6: Final answer
    x = 3,244.20

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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.