Home / 5,206.35-7,182.24-3,216.18

Finding the Fourth Proportional to 5,206.35, 7,182.24 and 3,216.18

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Solution

The fourth proportional to 5,206.35, 7,182.24 and 3,216.18 is: 4,436.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,206.35 : 7,182.24 = 3,216.18 : x
  2. Step 2: Convert to fraction form
    5,206.35/7,182.24 = 3,216.18/x
  3. Step 3: Cross multiply
    5,206.35x = 7,182.24 × 3,216.18
  4. Step 4: Simplify right side
    5,206.35x = 23,099,376.64
  5. Step 5: Solve for x
    x = 23,099,376.64/5,206.35
  6. Step 6: Final answer
    x = 4,436.77

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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.