Home / 4,570.61-6,855.91-1,107.86

Finding the Fourth Proportional to 4,570.61, 6,855.91 and 1,107.86

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Solution

The fourth proportional to 4,570.61, 6,855.91 and 1,107.86 is: 1,661.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,570.61 : 6,855.91 = 1,107.86 : x
  2. Step 2: Convert to fraction form
    4,570.61/6,855.91 = 1,107.86/x
  3. Step 3: Cross multiply
    4,570.61x = 6,855.91 × 1,107.86
  4. Step 4: Simplify right side
    4,570.61x = 7,595,389.01
  5. Step 5: Solve for x
    x = 7,595,389.01/4,570.61
  6. Step 6: Final answer
    x = 1,661.79

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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.