Home / 7,585.54-11,379.66-2,905.36

Finding the Fourth Proportional to 7,585.54, 11,379.66 and 2,905.36

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Solution

The fourth proportional to 7,585.54, 11,379.66 and 2,905.36 is: 4,358.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,585.54 : 11,379.66 = 2,905.36 : x
  2. Step 2: Convert to fraction form
    7,585.54/11,379.66 = 2,905.36/x
  3. Step 3: Cross multiply
    7,585.54x = 11,379.66 × 2,905.36
  4. Step 4: Simplify right side
    7,585.54x = 33,062,008.98
  5. Step 5: Solve for x
    x = 33,062,008.98/7,585.54
  6. Step 6: Final answer
    x = 4,358.56

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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.