Home / 5,121.10-7,683.09-4,633.12

Finding the Fourth Proportional to 5,121.10, 7,683.09 and 4,633.12

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Solution

The fourth proportional to 5,121.10, 7,683.09 and 4,633.12 is: 6,950.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,121.10 : 7,683.09 = 4,633.12 : x
  2. Step 2: Convert to fraction form
    5,121.10/7,683.09 = 4,633.12/x
  3. Step 3: Cross multiply
    5,121.10x = 7,683.09 × 4,633.12
  4. Step 4: Simplify right side
    5,121.10x = 35,596,670.17
  5. Step 5: Solve for x
    x = 35,596,670.17/5,121.10
  6. Step 6: Final answer
    x = 6,950.99

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1.5x scale

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.