Home / 2,772.32-3,826.26-1,653.30

Finding the Fourth Proportional to 2,772.32, 3,826.26 and 1,653.30

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Solution

The fourth proportional to 2,772.32, 3,826.26 and 1,653.30 is: 2,281.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.32 : 3,826.26 = 1,653.30 : x
  2. Step 2: Convert to fraction form
    2,772.32/3,826.26 = 1,653.30/x
  3. Step 3: Cross multiply
    2,772.32x = 3,826.26 × 1,653.30
  4. Step 4: Simplify right side
    2,772.32x = 6,325,955.66
  5. Step 5: Solve for x
    x = 6,325,955.66/2,772.32
  6. Step 6: Final answer
    x = 2,281.83

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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.