Home / 2,054.46-2,835.27-1,215.66

Finding the Fourth Proportional to 2,054.46, 2,835.27 and 1,215.66

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Solution

The fourth proportional to 2,054.46, 2,835.27 and 1,215.66 is: 1,677.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,054.46 : 2,835.27 = 1,215.66 : x
  2. Step 2: Convert to fraction form
    2,054.46/2,835.27 = 1,215.66/x
  3. Step 3: Cross multiply
    2,054.46x = 2,835.27 × 1,215.66
  4. Step 4: Simplify right side
    2,054.46x = 3,446,724.33
  5. Step 5: Solve for x
    x = 3,446,724.33/2,054.46
  6. Step 6: Final answer
    x = 1,677.68

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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.