Home / 5,247.06-7,871.81-1,736.93

Finding the Fourth Proportional to 5,247.06, 7,871.81 and 1,736.93

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Solution

The fourth proportional to 5,247.06, 7,871.81 and 1,736.93 is: 2,605.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.06 : 7,871.81 = 1,736.93 : x
  2. Step 2: Convert to fraction form
    5,247.06/7,871.81 = 1,736.93/x
  3. Step 3: Cross multiply
    5,247.06x = 7,871.81 × 1,736.93
  4. Step 4: Simplify right side
    5,247.06x = 13,672,734.90
  5. Step 5: Solve for x
    x = 13,672,734.90/5,247.06
  6. Step 6: Final answer
    x = 2,605.79

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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.