Home / 4,878.09-6,732.39-3,200.92

Finding the Fourth Proportional to 4,878.09, 6,732.39 and 3,200.92

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Solution

The fourth proportional to 4,878.09, 6,732.39 and 3,200.92 is: 4,417.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878.09 : 6,732.39 = 3,200.92 : x
  2. Step 2: Convert to fraction form
    4,878.09/6,732.39 = 3,200.92/x
  3. Step 3: Cross multiply
    4,878.09x = 6,732.39 × 3,200.92
  4. Step 4: Simplify right side
    4,878.09x = 21,549,841.80
  5. Step 5: Solve for x
    x = 21,549,841.80/4,878.09
  6. Step 6: Final answer
    x = 4,417.68

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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.