Home / 6,271.12-9,400.02-2,107.36

Finding the Fourth Proportional to 6,271.12, 9,400.02 and 2,107.36

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Solution

The fourth proportional to 6,271.12, 9,400.02 and 2,107.36 is: 3,158.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,271.12 : 9,400.02 = 2,107.36 : x
  2. Step 2: Convert to fraction form
    6,271.12/9,400.02 = 2,107.36/x
  3. Step 3: Cross multiply
    6,271.12x = 9,400.02 × 2,107.36
  4. Step 4: Simplify right side
    6,271.12x = 19,809,226.15
  5. Step 5: Solve for x
    x = 19,809,226.15/6,271.12
  6. Step 6: Final answer
    x = 3,158.80

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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.