Home / 3,317.58-4,976.55-1,672.17

Finding the Fourth Proportional to 3,317.58, 4,976.55 and 1,672.17

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Solution

The fourth proportional to 3,317.58, 4,976.55 and 1,672.17 is: 2,508.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317.58 : 4,976.55 = 1,672.17 : x
  2. Step 2: Convert to fraction form
    3,317.58/4,976.55 = 1,672.17/x
  3. Step 3: Cross multiply
    3,317.58x = 4,976.55 × 1,672.17
  4. Step 4: Simplify right side
    3,317.58x = 8,321,637.61
  5. Step 5: Solve for x
    x = 8,321,637.61/3,317.58
  6. Step 6: Final answer
    x = 2,508.35

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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.