Home / 5,708.46-7,877.63-3,190.68

Finding the Fourth Proportional to 5,708.46, 7,877.63 and 3,190.68

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Solution

The fourth proportional to 5,708.46, 7,877.63 and 3,190.68 is: 4,403.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,708.46 : 7,877.63 = 3,190.68 : x
  2. Step 2: Convert to fraction form
    5,708.46/7,877.63 = 3,190.68/x
  3. Step 3: Cross multiply
    5,708.46x = 7,877.63 × 3,190.68
  4. Step 4: Simplify right side
    5,708.46x = 25,134,992.50
  5. Step 5: Solve for x
    x = 25,134,992.50/5,708.46
  6. Step 6: Final answer
    x = 4,403.11

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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.