Home / 2,317.82-3,460.22-2,220.62

Finding the Fourth Proportional to 2,317.82, 3,460.22 and 2,220.62

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Solution

The fourth proportional to 2,317.82, 3,460.22 and 2,220.62 is: 3,315.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,317.82 : 3,460.22 = 2,220.62 : x
  2. Step 2: Convert to fraction form
    2,317.82/3,460.22 = 2,220.62/x
  3. Step 3: Cross multiply
    2,317.82x = 3,460.22 × 2,220.62
  4. Step 4: Simplify right side
    2,317.82x = 7,683,813.66
  5. Step 5: Solve for x
    x = 7,683,813.66/2,317.82
  6. Step 6: Final answer
    x = 3,315.11

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.