Home / 5,126.79-7,074.98-3,001.94

Finding the Fourth Proportional to 5,126.79, 7,074.98 and 3,001.94

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Solution

The fourth proportional to 5,126.79, 7,074.98 and 3,001.94 is: 4,142.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.79 : 7,074.98 = 3,001.94 : x
  2. Step 2: Convert to fraction form
    5,126.79/7,074.98 = 3,001.94/x
  3. Step 3: Cross multiply
    5,126.79x = 7,074.98 × 3,001.94
  4. Step 4: Simplify right side
    5,126.79x = 21,238,615.08
  5. Step 5: Solve for x
    x = 21,238,615.08/5,126.79
  6. Step 6: Final answer
    x = 4,142.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.