Home / 7,541.20-11,307.75-2,609.38

Finding the Fourth Proportional to 7,541.20, 11,307.75 and 2,609.38

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Solution

The fourth proportional to 7,541.20, 11,307.75 and 2,609.38 is: 3,912.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,541.20 : 11,307.75 = 2,609.38 : x
  2. Step 2: Convert to fraction form
    7,541.20/11,307.75 = 2,609.38/x
  3. Step 3: Cross multiply
    7,541.20x = 11,307.75 × 2,609.38
  4. Step 4: Simplify right side
    7,541.20x = 29,506,216.70
  5. Step 5: Solve for x
    x = 29,506,216.70/7,541.20
  6. Step 6: Final answer
    x = 3,912.67

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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.