Home / 4,135.04-5,706.12-2,272.16

Finding the Fourth Proportional to 4,135.04, 5,706.12 and 2,272.16

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Solution

The fourth proportional to 4,135.04, 5,706.12 and 2,272.16 is: 3,135.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,135.04 : 5,706.12 = 2,272.16 : x
  2. Step 2: Convert to fraction form
    4,135.04/5,706.12 = 2,272.16/x
  3. Step 3: Cross multiply
    4,135.04x = 5,706.12 × 2,272.16
  4. Step 4: Simplify right side
    4,135.04x = 12,965,217.62
  5. Step 5: Solve for x
    x = 12,965,217.62/4,135.04
  6. Step 6: Final answer
    x = 3,135.45

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Half scale
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Double scale
Find fourth proportional to 4,136.04, 5,707.50 and 2,273.16
Similar ratio
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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.