Home / 3,856.06-5,322.45-2,284.66

Finding the Fourth Proportional to 3,856.06, 5,322.45 and 2,284.66

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Solution

The fourth proportional to 3,856.06, 5,322.45 and 2,284.66 is: 3,153.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,856.06 : 5,322.45 = 2,284.66 : x
  2. Step 2: Convert to fraction form
    3,856.06/5,322.45 = 2,284.66/x
  3. Step 3: Cross multiply
    3,856.06x = 5,322.45 × 2,284.66
  4. Step 4: Simplify right side
    3,856.06x = 12,159,988.62
  5. Step 5: Solve for x
    x = 12,159,988.62/3,856.06
  6. Step 6: Final answer
    x = 3,153.47

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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.