Home / 5,615.16-7,748.95-3,097.36

Finding the Fourth Proportional to 5,615.16, 7,748.95 and 3,097.36

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Solution

The fourth proportional to 5,615.16, 7,748.95 and 3,097.36 is: 4,274.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615.16 : 7,748.95 = 3,097.36 : x
  2. Step 2: Convert to fraction form
    5,615.16/7,748.95 = 3,097.36/x
  3. Step 3: Cross multiply
    5,615.16x = 7,748.95 × 3,097.36
  4. Step 4: Simplify right side
    5,615.16x = 24,001,251.93
  5. Step 5: Solve for x
    x = 24,001,251.93/5,615.16
  6. Step 6: Final answer
    x = 4,274.37

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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.