Home / 5,688.14-7,849.61-3,170.22

Finding the Fourth Proportional to 5,688.14, 7,849.61 and 3,170.22

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Solution

The fourth proportional to 5,688.14, 7,849.61 and 3,170.22 is: 4,374.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,688.14 : 7,849.61 = 3,170.22 : x
  2. Step 2: Convert to fraction form
    5,688.14/7,849.61 = 3,170.22/x
  3. Step 3: Cross multiply
    5,688.14x = 7,849.61 × 3,170.22
  4. Step 4: Simplify right side
    5,688.14x = 24,884,957.22
  5. Step 5: Solve for x
    x = 24,884,957.22/5,688.14
  6. Step 6: Final answer
    x = 4,374.89

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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.