Home / 3,109.14-4,290.54-2,063.16

Finding the Fourth Proportional to 3,109.14, 4,290.54 and 2,063.16

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Solution

The fourth proportional to 3,109.14, 4,290.54 and 2,063.16 is: 2,847.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109.14 : 4,290.54 = 2,063.16 : x
  2. Step 2: Convert to fraction form
    3,109.14/4,290.54 = 2,063.16/x
  3. Step 3: Cross multiply
    3,109.14x = 4,290.54 × 2,063.16
  4. Step 4: Simplify right side
    3,109.14x = 8,852,070.51
  5. Step 5: Solve for x
    x = 8,852,070.51/3,109.14
  6. Step 6: Final answer
    x = 2,847.11

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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.