Home / 3,193.51-4,394.95-2,631.78

Finding the Fourth Proportional to 3,193.51, 4,394.95 and 2,631.78

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Solution

The fourth proportional to 3,193.51, 4,394.95 and 2,631.78 is: 3,621.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,193.51 : 4,394.95 = 2,631.78 : x
  2. Step 2: Convert to fraction form
    3,193.51/4,394.95 = 2,631.78/x
  3. Step 3: Cross multiply
    3,193.51x = 4,394.95 × 2,631.78
  4. Step 4: Simplify right side
    3,193.51x = 11,566,541.51
  5. Step 5: Solve for x
    x = 11,566,541.51/3,193.51
  6. Step 6: Final answer
    x = 3,621.89

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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.