Home / 2,826.77-3,898.53-2,236.28

Finding the Fourth Proportional to 2,826.77, 3,898.53 and 2,236.28

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Solution

The fourth proportional to 2,826.77, 3,898.53 and 2,236.28 is: 3,084.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826.77 : 3,898.53 = 2,236.28 : x
  2. Step 2: Convert to fraction form
    2,826.77/3,898.53 = 2,236.28/x
  3. Step 3: Cross multiply
    2,826.77x = 3,898.53 × 2,236.28
  4. Step 4: Simplify right side
    2,826.77x = 8,718,204.67
  5. Step 5: Solve for x
    x = 8,718,204.67/2,826.77
  6. Step 6: Final answer
    x = 3,084.16

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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.