Home / 5,515.67-7,607.77-3,626.65

Finding the Fourth Proportional to 5,515.67, 7,607.77 and 3,626.65

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Solution

The fourth proportional to 5,515.67, 7,607.77 and 3,626.65 is: 5,002.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.67 : 7,607.77 = 3,626.65 : x
  2. Step 2: Convert to fraction form
    5,515.67/7,607.77 = 3,626.65/x
  3. Step 3: Cross multiply
    5,515.67x = 7,607.77 × 3,626.65
  4. Step 4: Simplify right side
    5,515.67x = 27,590,711.38
  5. Step 5: Solve for x
    x = 27,590,711.38/5,515.67
  6. Step 6: Final answer
    x = 5,002.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.