Home / 3,295.51-4,942.75-1,215.22

Finding the Fourth Proportional to 3,295.51, 4,942.75 and 1,215.22

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Solution

The fourth proportional to 3,295.51, 4,942.75 and 1,215.22 is: 1,822.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,295.51 : 4,942.75 = 1,215.22 : x
  2. Step 2: Convert to fraction form
    3,295.51/4,942.75 = 1,215.22/x
  3. Step 3: Cross multiply
    3,295.51x = 4,942.75 × 1,215.22
  4. Step 4: Simplify right side
    3,295.51x = 6,006,528.66
  5. Step 5: Solve for x
    x = 6,006,528.66/3,295.51
  6. Step 6: Final answer
    x = 1,822.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.