Home / 6,675.12-10,013.49-2,779.02

Finding the Fourth Proportional to 6,675.12, 10,013.49 and 2,779.02

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Solution

The fourth proportional to 6,675.12, 10,013.49 and 2,779.02 is: 4,168.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,675.12 : 10,013.49 = 2,779.02 : x
  2. Step 2: Convert to fraction form
    6,675.12/10,013.49 = 2,779.02/x
  3. Step 3: Cross multiply
    6,675.12x = 10,013.49 × 2,779.02
  4. Step 4: Simplify right side
    6,675.12x = 27,827,688.98
  5. Step 5: Solve for x
    x = 27,827,688.98/6,675.12
  6. Step 6: Final answer
    x = 4,168.87

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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.