Home / 7,604.15-11,401.16-3,160.67

Finding the Fourth Proportional to 7,604.15, 11,401.16 and 3,160.67

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Solution

The fourth proportional to 7,604.15, 11,401.16 and 3,160.67 is: 4,738.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,604.15 : 11,401.16 = 3,160.67 : x
  2. Step 2: Convert to fraction form
    7,604.15/11,401.16 = 3,160.67/x
  3. Step 3: Cross multiply
    7,604.15x = 11,401.16 × 3,160.67
  4. Step 4: Simplify right side
    7,604.15x = 36,035,231.57
  5. Step 5: Solve for x
    x = 36,035,231.57/7,604.15
  6. Step 6: Final answer
    x = 4,738.89

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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.