Home / 2,779.16-4,168.13-1,134.05

Finding the Fourth Proportional to 2,779.16, 4,168.13 and 1,134.05

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Solution

The fourth proportional to 2,779.16, 4,168.13 and 1,134.05 is: 1,700.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779.16 : 4,168.13 = 1,134.05 : x
  2. Step 2: Convert to fraction form
    2,779.16/4,168.13 = 1,134.05/x
  3. Step 3: Cross multiply
    2,779.16x = 4,168.13 × 1,134.05
  4. Step 4: Simplify right side
    2,779.16x = 4,726,841.32
  5. Step 5: Solve for x
    x = 4,726,841.32/2,779.16
  6. Step 6: Final answer
    x = 1,700.82

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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.