Home / 2,825.95-3,899.73-1,706.48

Finding the Fourth Proportional to 2,825.95, 3,899.73 and 1,706.48

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Solution

The fourth proportional to 2,825.95, 3,899.73 and 1,706.48 is: 2,354.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825.95 : 3,899.73 = 1,706.48 : x
  2. Step 2: Convert to fraction form
    2,825.95/3,899.73 = 1,706.48/x
  3. Step 3: Cross multiply
    2,825.95x = 3,899.73 × 1,706.48
  4. Step 4: Simplify right side
    2,825.95x = 6,654,783.22
  5. Step 5: Solve for x
    x = 6,654,783.22/2,825.95
  6. Step 6: Final answer
    x = 2,354.88

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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.