Home / 2,852.16-3,930.14-2,104.92

Finding the Fourth Proportional to 2,852.16, 3,930.14 and 2,104.92

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Solution

The fourth proportional to 2,852.16, 3,930.14 and 2,104.92 is: 2,900.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,852.16 : 3,930.14 = 2,104.92 : x
  2. Step 2: Convert to fraction form
    2,852.16/3,930.14 = 2,104.92/x
  3. Step 3: Cross multiply
    2,852.16x = 3,930.14 × 2,104.92
  4. Step 4: Simplify right side
    2,852.16x = 8,272,630.29
  5. Step 5: Solve for x
    x = 8,272,630.29/2,852.16
  6. Step 6: Final answer
    x = 2,900.48

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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.