Home / 5,169.66-7,136.58-3,307.74

Finding the Fourth Proportional to 5,169.66, 7,136.58 and 3,307.74

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Solution

The fourth proportional to 5,169.66, 7,136.58 and 3,307.74 is: 4,566.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,169.66 : 7,136.58 = 3,307.74 : x
  2. Step 2: Convert to fraction form
    5,169.66/7,136.58 = 3,307.74/x
  3. Step 3: Cross multiply
    5,169.66x = 7,136.58 × 3,307.74
  4. Step 4: Simplify right side
    5,169.66x = 23,605,951.13
  5. Step 5: Solve for x
    x = 23,605,951.13/5,169.66
  6. Step 6: Final answer
    x = 4,566.25

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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.