Home / 6,474.63-9,709.88-2,091.06

Finding the Fourth Proportional to 6,474.63, 9,709.88 and 2,091.06

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Solution

The fourth proportional to 6,474.63, 9,709.88 and 2,091.06 is: 3,135.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,474.63 : 9,709.88 = 2,091.06 : x
  2. Step 2: Convert to fraction form
    6,474.63/9,709.88 = 2,091.06/x
  3. Step 3: Cross multiply
    6,474.63x = 9,709.88 × 2,091.06
  4. Step 4: Simplify right side
    6,474.63x = 20,303,931.22
  5. Step 5: Solve for x
    x = 20,303,931.22/6,474.63
  6. Step 6: Final answer
    x = 3,135.92

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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.