Home / 7,585.88-11,378.81-2,391.75

Finding the Fourth Proportional to 7,585.88, 11,378.81 and 2,391.75

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Solution

The fourth proportional to 7,585.88, 11,378.81 and 2,391.75 is: 3,587.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,585.88 : 11,378.81 = 2,391.75 : x
  2. Step 2: Convert to fraction form
    7,585.88/11,378.81 = 2,391.75/x
  3. Step 3: Cross multiply
    7,585.88x = 11,378.81 × 2,391.75
  4. Step 4: Simplify right side
    7,585.88x = 27,215,256.86
  5. Step 5: Solve for x
    x = 27,215,256.86/7,585.88
  6. Step 6: Final answer
    x = 3,587.62

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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.