Home / 7,760.72-11,631.78-3,595.08

Finding the Fourth Proportional to 7,760.72, 11,631.78 and 3,595.08

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Solution

The fourth proportional to 7,760.72, 11,631.78 and 3,595.08 is: 5,388.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,760.72 : 11,631.78 = 3,595.08 : x
  2. Step 2: Convert to fraction form
    7,760.72/11,631.78 = 3,595.08/x
  3. Step 3: Cross multiply
    7,760.72x = 11,631.78 × 3,595.08
  4. Step 4: Simplify right side
    7,760.72x = 41,817,179.64
  5. Step 5: Solve for x
    x = 41,817,179.64/7,760.72
  6. Step 6: Final answer
    x = 5,388.31

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1.5x scale

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.