Home / 1,636.26-2,451.21-1,462.23

Finding the Fourth Proportional to 1,636.26, 2,451.21 and 1,462.23

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Solution

The fourth proportional to 1,636.26, 2,451.21 and 1,462.23 is: 2,190.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636.26 : 2,451.21 = 1,462.23 : x
  2. Step 2: Convert to fraction form
    1,636.26/2,451.21 = 1,462.23/x
  3. Step 3: Cross multiply
    1,636.26x = 2,451.21 × 1,462.23
  4. Step 4: Simplify right side
    1,636.26x = 3,584,232.80
  5. Step 5: Solve for x
    x = 3,584,232.80/1,636.26
  6. Step 6: Final answer
    x = 2,190.50

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Half scale
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Find fourth proportional to 1,637.26, 2,452.71 and 1,463.23
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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.