Home / 3,867.12-5,336.28-2,295

Finding the Fourth Proportional to 3,867.12, 5,336.28 and 2,295

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Solution

The fourth proportional to 3,867.12, 5,336.28 and 2,295 is: 3,166.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867.12 : 5,336.28 = 2,295 : x
  2. Step 2: Convert to fraction form
    3,867.12/5,336.28 = 2,295/x
  3. Step 3: Cross multiply
    3,867.12x = 5,336.28 × 2,295
  4. Step 4: Simplify right side
    3,867.12x = 12,246,762.60
  5. Step 5: Solve for x
    x = 12,246,762.60/3,867.12
  6. Step 6: Final answer
    x = 3,166.89

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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.