Home / 2,886.08-3,982.96-1,706.88

Finding the Fourth Proportional to 2,886.08, 3,982.96 and 1,706.88

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Solution

The fourth proportional to 2,886.08, 3,982.96 and 1,706.88 is: 2,355.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886.08 : 3,982.96 = 1,706.88 : x
  2. Step 2: Convert to fraction form
    2,886.08/3,982.96 = 1,706.88/x
  3. Step 3: Cross multiply
    2,886.08x = 3,982.96 × 1,706.88
  4. Step 4: Simplify right side
    2,886.08x = 6,798,434.76
  5. Step 5: Solve for x
    x = 6,798,434.76/2,886.08
  6. Step 6: Final answer
    x = 2,355.59

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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.