Home / 3,628.05-5,005.28-2,368.71

Finding the Fourth Proportional to 3,628.05, 5,005.28 and 2,368.71

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Solution

The fourth proportional to 3,628.05, 5,005.28 and 2,368.71 is: 3,267.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,628.05 : 5,005.28 = 2,368.71 : x
  2. Step 2: Convert to fraction form
    3,628.05/5,005.28 = 2,368.71/x
  3. Step 3: Cross multiply
    3,628.05x = 5,005.28 × 2,368.71
  4. Step 4: Simplify right side
    3,628.05x = 11,856,026.18
  5. Step 5: Solve for x
    x = 11,856,026.18/3,628.05
  6. Step 6: Final answer
    x = 3,267.88

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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.