Home / 2,520.86-3,779.99-1,133.01

Finding the Fourth Proportional to 2,520.86, 3,779.99 and 1,133.01

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Solution

The fourth proportional to 2,520.86, 3,779.99 and 1,133.01 is: 1,698.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,520.86 : 3,779.99 = 1,133.01 : x
  2. Step 2: Convert to fraction form
    2,520.86/3,779.99 = 1,133.01/x
  3. Step 3: Cross multiply
    2,520.86x = 3,779.99 × 1,133.01
  4. Step 4: Simplify right side
    2,520.86x = 4,282,747.57
  5. Step 5: Solve for x
    x = 4,282,747.57/2,520.86
  6. Step 6: Final answer
    x = 1,698.92

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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.