Home / 3,135.27-4,701.78-943.32

Finding the Fourth Proportional to 3,135.27, 4,701.78 and 943.32

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Solution

The fourth proportional to 3,135.27, 4,701.78 and 943.32 is: 1,414.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.27 : 4,701.78 = 943.32 : x
  2. Step 2: Convert to fraction form
    3,135.27/4,701.78 = 943.32/x
  3. Step 3: Cross multiply
    3,135.27x = 4,701.78 × 943.32
  4. Step 4: Simplify right side
    3,135.27x = 4,435,283.11
  5. Step 5: Solve for x
    x = 4,435,283.11/3,135.27
  6. Step 6: Final answer
    x = 1,414.64

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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.