Home / 3,368.50-5,053.77-1,726.21

Finding the Fourth Proportional to 3,368.50, 5,053.77 and 1,726.21

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Solution

The fourth proportional to 3,368.50, 5,053.77 and 1,726.21 is: 2,589.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.50 : 5,053.77 = 1,726.21 : x
  2. Step 2: Convert to fraction form
    3,368.50/5,053.77 = 1,726.21/x
  3. Step 3: Cross multiply
    3,368.50x = 5,053.77 × 1,726.21
  4. Step 4: Simplify right side
    3,368.50x = 8,723,868.31
  5. Step 5: Solve for x
    x = 8,723,868.31/3,368.50
  6. Step 6: Final answer
    x = 2,589.84

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Half scale
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Double scale
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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.