Home / 2,791.14-3,852.12-1,612.19

Finding the Fourth Proportional to 2,791.14, 3,852.12 and 1,612.19

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Solution

The fourth proportional to 2,791.14, 3,852.12 and 1,612.19 is: 2,225.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791.14 : 3,852.12 = 1,612.19 : x
  2. Step 2: Convert to fraction form
    2,791.14/3,852.12 = 1,612.19/x
  3. Step 3: Cross multiply
    2,791.14x = 3,852.12 × 1,612.19
  4. Step 4: Simplify right side
    2,791.14x = 6,210,349.34
  5. Step 5: Solve for x
    x = 6,210,349.34/2,791.14
  6. Step 6: Final answer
    x = 2,225.02

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.