Home / 4,867.44-6,715.52-2,878.68

Finding the Fourth Proportional to 4,867.44, 6,715.52 and 2,878.68

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Solution

The fourth proportional to 4,867.44, 6,715.52 and 2,878.68 is: 3,971.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,867.44 : 6,715.52 = 2,878.68 : x
  2. Step 2: Convert to fraction form
    4,867.44/6,715.52 = 2,878.68/x
  3. Step 3: Cross multiply
    4,867.44x = 6,715.52 × 2,878.68
  4. Step 4: Simplify right side
    4,867.44x = 19,331,833.11
  5. Step 5: Solve for x
    x = 19,331,833.11/4,867.44
  6. Step 6: Final answer
    x = 3,971.66

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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.