Home / 4,911.67-7,337.62-3,142.53

Finding the Fourth Proportional to 4,911.67, 7,337.62 and 3,142.53

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Solution

The fourth proportional to 4,911.67, 7,337.62 and 3,142.53 is: 4,694.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.67 : 7,337.62 = 3,142.53 : x
  2. Step 2: Convert to fraction form
    4,911.67/7,337.62 = 3,142.53/x
  3. Step 3: Cross multiply
    4,911.67x = 7,337.62 × 3,142.53
  4. Step 4: Simplify right side
    4,911.67x = 23,058,694.91
  5. Step 5: Solve for x
    x = 23,058,694.91/4,911.67
  6. Step 6: Final answer
    x = 4,694.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.