Home / 4,990.26-6,886.47-2,752.38

Finding the Fourth Proportional to 4,990.26, 6,886.47 and 2,752.38

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Solution

The fourth proportional to 4,990.26, 6,886.47 and 2,752.38 is: 3,798.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.26 : 6,886.47 = 2,752.38 : x
  2. Step 2: Convert to fraction form
    4,990.26/6,886.47 = 2,752.38/x
  3. Step 3: Cross multiply
    4,990.26x = 6,886.47 × 2,752.38
  4. Step 4: Simplify right side
    4,990.26x = 18,954,182.30
  5. Step 5: Solve for x
    x = 18,954,182.30/4,990.26
  6. Step 6: Final answer
    x = 3,798.24

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Half scale
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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.