Home / 5,312.37-7,974.94-3,534.83

Finding the Fourth Proportional to 5,312.37, 7,974.94 and 3,534.83

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Solution

The fourth proportional to 5,312.37, 7,974.94 and 3,534.83 is: 5,306.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.37 : 7,974.94 = 3,534.83 : x
  2. Step 2: Convert to fraction form
    5,312.37/7,974.94 = 3,534.83/x
  3. Step 3: Cross multiply
    5,312.37x = 7,974.94 × 3,534.83
  4. Step 4: Simplify right side
    5,312.37x = 28,190,057.16
  5. Step 5: Solve for x
    x = 28,190,057.16/5,312.37
  6. Step 6: Final answer
    x = 5,306.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.