Home / 3,531.32-5,297.20-1,191.56

Finding the Fourth Proportional to 3,531.32, 5,297.20 and 1,191.56

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Solution

The fourth proportional to 3,531.32, 5,297.20 and 1,191.56 is: 1,787.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.32 : 5,297.20 = 1,191.56 : x
  2. Step 2: Convert to fraction form
    3,531.32/5,297.20 = 1,191.56/x
  3. Step 3: Cross multiply
    3,531.32x = 5,297.20 × 1,191.56
  4. Step 4: Simplify right side
    3,531.32x = 6,311,931.63
  5. Step 5: Solve for x
    x = 6,311,931.63/3,531.32
  6. Step 6: Final answer
    x = 1,787.41

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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.