Home / 4,311.07-6,466.12-1,191.52

Finding the Fourth Proportional to 4,311.07, 6,466.12 and 1,191.52

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Solution

The fourth proportional to 4,311.07, 6,466.12 and 1,191.52 is: 1,787.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311.07 : 6,466.12 = 1,191.52 : x
  2. Step 2: Convert to fraction form
    4,311.07/6,466.12 = 1,191.52/x
  3. Step 3: Cross multiply
    4,311.07x = 6,466.12 × 1,191.52
  4. Step 4: Simplify right side
    4,311.07x = 7,704,530.45
  5. Step 5: Solve for x
    x = 7,704,530.45/4,311.07
  6. Step 6: Final answer
    x = 1,787.15

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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.