Home / 4,867.53-6,712.83-4,120.71

Finding the Fourth Proportional to 4,867.53, 6,712.83 and 4,120.71

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Solution

The fourth proportional to 4,867.53, 6,712.83 and 4,120.71 is: 5,682.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,867.53 : 6,712.83 = 4,120.71 : x
  2. Step 2: Convert to fraction form
    4,867.53/6,712.83 = 4,120.71/x
  3. Step 3: Cross multiply
    4,867.53x = 6,712.83 × 4,120.71
  4. Step 4: Simplify right side
    4,867.53x = 27,661,625.71
  5. Step 5: Solve for x
    x = 27,661,625.71/4,867.53
  6. Step 6: Final answer
    x = 5,682.89

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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.