Home / 4,476.21-6,178.89-2,983.58

Finding the Fourth Proportional to 4,476.21, 6,178.89 and 2,983.58

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Solution

The fourth proportional to 4,476.21, 6,178.89 and 2,983.58 is: 4,118.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,476.21 : 6,178.89 = 2,983.58 : x
  2. Step 2: Convert to fraction form
    4,476.21/6,178.89 = 2,983.58/x
  3. Step 3: Cross multiply
    4,476.21x = 6,178.89 × 2,983.58
  4. Step 4: Simplify right side
    4,476.21x = 18,435,212.63
  5. Step 5: Solve for x
    x = 18,435,212.63/4,476.21
  6. Step 6: Final answer
    x = 4,118.49

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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.