Home / 2,317.05-3,193.02-1,617.21

Finding the Fourth Proportional to 2,317.05, 3,193.02 and 1,617.21

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Solution

The fourth proportional to 2,317.05, 3,193.02 and 1,617.21 is: 2,228.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,317.05 : 3,193.02 = 1,617.21 : x
  2. Step 2: Convert to fraction form
    2,317.05/3,193.02 = 1,617.21/x
  3. Step 3: Cross multiply
    2,317.05x = 3,193.02 × 1,617.21
  4. Step 4: Simplify right side
    2,317.05x = 5,163,783.87
  5. Step 5: Solve for x
    x = 5,163,783.87/2,317.05
  6. Step 6: Final answer
    x = 2,228.60

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Half scale
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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.