Home / 6,451.21-9,677.72-2,070.01

Finding the Fourth Proportional to 6,451.21, 9,677.72 and 2,070.01

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Solution

The fourth proportional to 6,451.21, 9,677.72 and 2,070.01 is: 3,105.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,451.21 : 9,677.72 = 2,070.01 : x
  2. Step 2: Convert to fraction form
    6,451.21/9,677.72 = 2,070.01/x
  3. Step 3: Cross multiply
    6,451.21x = 9,677.72 × 2,070.01
  4. Step 4: Simplify right side
    6,451.21x = 20,032,977.18
  5. Step 5: Solve for x
    x = 20,032,977.18/6,451.21
  6. Step 6: Final answer
    x = 3,105.31

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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.