Home / 5,615.21-7,748.79-3,097.37

Finding the Fourth Proportional to 5,615.21, 7,748.79 and 3,097.37

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Solution

The fourth proportional to 5,615.21, 7,748.79 and 3,097.37 is: 4,274.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615.21 : 7,748.79 = 3,097.37 : x
  2. Step 2: Convert to fraction form
    5,615.21/7,748.79 = 3,097.37/x
  3. Step 3: Cross multiply
    5,615.21x = 7,748.79 × 3,097.37
  4. Step 4: Simplify right side
    5,615.21x = 24,000,830.94
  5. Step 5: Solve for x
    x = 24,000,830.94/5,615.21
  6. Step 6: Final answer
    x = 4,274.26

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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.