Home / 3,779.10-5,670.86-1,587.66

Finding the Fourth Proportional to 3,779.10, 5,670.86 and 1,587.66

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Solution

The fourth proportional to 3,779.10, 5,670.86 and 1,587.66 is: 2,382.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779.10 : 5,670.86 = 1,587.66 : x
  2. Step 2: Convert to fraction form
    3,779.10/5,670.86 = 1,587.66/x
  3. Step 3: Cross multiply
    3,779.10x = 5,670.86 × 1,587.66
  4. Step 4: Simplify right side
    3,779.10x = 9,003,389.65
  5. Step 5: Solve for x
    x = 9,003,389.65/3,779.10
  6. Step 6: Final answer
    x = 2,382.42

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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.