Home / 5,085.69-7,018.20-3,095.85

Finding the Fourth Proportional to 5,085.69, 7,018.20 and 3,095.85

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Solution

The fourth proportional to 5,085.69, 7,018.20 and 3,095.85 is: 4,272.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,085.69 : 7,018.20 = 3,095.85 : x
  2. Step 2: Convert to fraction form
    5,085.69/7,018.20 = 3,095.85/x
  3. Step 3: Cross multiply
    5,085.69x = 7,018.20 × 3,095.85
  4. Step 4: Simplify right side
    5,085.69x = 21,727,294.47
  5. Step 5: Solve for x
    x = 21,727,294.47/5,085.69
  6. Step 6: Final answer
    x = 4,272.24

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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.