Home / 5,306.16-7,322.79-2,948.28

Finding the Fourth Proportional to 5,306.16, 7,322.79 and 2,948.28

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Solution

The fourth proportional to 5,306.16, 7,322.79 and 2,948.28 is: 4,068.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,306.16 : 7,322.79 = 2,948.28 : x
  2. Step 2: Convert to fraction form
    5,306.16/7,322.79 = 2,948.28/x
  3. Step 3: Cross multiply
    5,306.16x = 7,322.79 × 2,948.28
  4. Step 4: Simplify right side
    5,306.16x = 21,589,635.30
  5. Step 5: Solve for x
    x = 21,589,635.30/5,306.16
  6. Step 6: Final answer
    x = 4,068.79

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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.