Home / 3,829.95-5,285.25-2,258.55

Finding the Fourth Proportional to 3,829.95, 5,285.25 and 2,258.55

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Solution

The fourth proportional to 3,829.95, 5,285.25 and 2,258.55 is: 3,116.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,829.95 : 5,285.25 = 2,258.55 : x
  2. Step 2: Convert to fraction form
    3,829.95/5,285.25 = 2,258.55/x
  3. Step 3: Cross multiply
    3,829.95x = 5,285.25 × 2,258.55
  4. Step 4: Simplify right side
    3,829.95x = 11,937,001.39
  5. Step 5: Solve for x
    x = 11,937,001.39/3,829.95
  6. Step 6: Final answer
    x = 3,116.75

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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.