Home / 7,585.42-11,378.04-2,391.25

Finding the Fourth Proportional to 7,585.42, 11,378.04 and 2,391.25

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Solution

The fourth proportional to 7,585.42, 11,378.04 and 2,391.25 is: 3,586.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,585.42 : 11,378.04 = 2,391.25 : x
  2. Step 2: Convert to fraction form
    7,585.42/11,378.04 = 2,391.25/x
  3. Step 3: Cross multiply
    7,585.42x = 11,378.04 × 2,391.25
  4. Step 4: Simplify right side
    7,585.42x = 27,207,738.15
  5. Step 5: Solve for x
    x = 27,207,738.15/7,585.42
  6. Step 6: Final answer
    x = 3,586.85

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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.