Home / 6,429.25-9,643.85-2,047.06

Finding the Fourth Proportional to 6,429.25, 9,643.85 and 2,047.06

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Solution

The fourth proportional to 6,429.25, 9,643.85 and 2,047.06 is: 3,070.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,429.25 : 9,643.85 = 2,047.06 : x
  2. Step 2: Convert to fraction form
    6,429.25/9,643.85 = 2,047.06/x
  3. Step 3: Cross multiply
    6,429.25x = 9,643.85 × 2,047.06
  4. Step 4: Simplify right side
    6,429.25x = 19,741,539.58
  5. Step 5: Solve for x
    x = 19,741,539.58/6,429.25
  6. Step 6: Final answer
    x = 3,070.58

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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.