Home / 7,585.38-11,378.70-2,320.25

Finding the Fourth Proportional to 7,585.38, 11,378.70 and 2,320.25

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Solution

The fourth proportional to 7,585.38, 11,378.70 and 2,320.25 is: 3,480.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,585.38 : 11,378.70 = 2,320.25 : x
  2. Step 2: Convert to fraction form
    7,585.38/11,378.70 = 2,320.25/x
  3. Step 3: Cross multiply
    7,585.38x = 11,378.70 × 2,320.25
  4. Step 4: Simplify right side
    7,585.38x = 26,401,371.78
  5. Step 5: Solve for x
    x = 26,401,371.78/7,585.38
  6. Step 6: Final answer
    x = 3,480.56

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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.