Home / 7,765.19-11,653.59-3,022.10

Finding the Fourth Proportional to 7,765.19, 11,653.59 and 3,022.10

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Solution

The fourth proportional to 7,765.19, 11,653.59 and 3,022.10 is: 4,535.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,765.19 : 11,653.59 = 3,022.10 : x
  2. Step 2: Convert to fraction form
    7,765.19/11,653.59 = 3,022.10/x
  3. Step 3: Cross multiply
    7,765.19x = 11,653.59 × 3,022.10
  4. Step 4: Simplify right side
    7,765.19x = 35,218,279.66
  5. Step 5: Solve for x
    x = 35,218,279.66/7,765.19
  6. Step 6: Final answer
    x = 4,535.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.