Home / 5,276.91-7,282.14-3,008.18

Finding the Fourth Proportional to 5,276.91, 7,282.14 and 3,008.18

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Solution

The fourth proportional to 5,276.91, 7,282.14 and 3,008.18 is: 4,151.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.91 : 7,282.14 = 3,008.18 : x
  2. Step 2: Convert to fraction form
    5,276.91/7,282.14 = 3,008.18/x
  3. Step 3: Cross multiply
    5,276.91x = 7,282.14 × 3,008.18
  4. Step 4: Simplify right side
    5,276.91x = 21,905,979.36
  5. Step 5: Solve for x
    x = 21,905,979.36/5,276.91
  6. Step 6: Final answer
    x = 4,151.29

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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.