Home / 3,852.12-5,314.14-2,435.16

Finding the Fourth Proportional to 3,852.12, 5,314.14 and 2,435.16

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Solution

The fourth proportional to 3,852.12, 5,314.14 and 2,435.16 is: 3,359.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,852.12 : 5,314.14 = 2,435.16 : x
  2. Step 2: Convert to fraction form
    3,852.12/5,314.14 = 2,435.16/x
  3. Step 3: Cross multiply
    3,852.12x = 5,314.14 × 2,435.16
  4. Step 4: Simplify right side
    3,852.12x = 12,940,781.16
  5. Step 5: Solve for x
    x = 12,940,781.16/3,852.12
  6. Step 6: Final answer
    x = 3,359.39

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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.