Home / 5,779.62-8,669.40-1,397.07

Finding the Fourth Proportional to 5,779.62, 8,669.40 and 1,397.07

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Solution

The fourth proportional to 5,779.62, 8,669.40 and 1,397.07 is: 2,095.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,779.62 : 8,669.40 = 1,397.07 : x
  2. Step 2: Convert to fraction form
    5,779.62/8,669.40 = 1,397.07/x
  3. Step 3: Cross multiply
    5,779.62x = 8,669.40 × 1,397.07
  4. Step 4: Simplify right side
    5,779.62x = 12,111,758.66
  5. Step 5: Solve for x
    x = 12,111,758.66/5,779.62
  6. Step 6: Final answer
    x = 2,095.60

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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.