Home / 7,064.34-9,748.97-3,877.95

Finding the Fourth Proportional to 7,064.34, 9,748.97 and 3,877.95

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Solution

The fourth proportional to 7,064.34, 9,748.97 and 3,877.95 is: 5,351.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,064.34 : 9,748.97 = 3,877.95 : x
  2. Step 2: Convert to fraction form
    7,064.34/9,748.97 = 3,877.95/x
  3. Step 3: Cross multiply
    7,064.34x = 9,748.97 × 3,877.95
  4. Step 4: Simplify right side
    7,064.34x = 37,806,039.02
  5. Step 5: Solve for x
    x = 37,806,039.02/7,064.34
  6. Step 6: Final answer
    x = 5,351.67

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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.