Home / 3,854.35-5,319-2,085.94

Finding the Fourth Proportional to 3,854.35, 5,319 and 2,085.94

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Solution

The fourth proportional to 3,854.35, 5,319 and 2,085.94 is: 2,878.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,854.35 : 5,319 = 2,085.94 : x
  2. Step 2: Convert to fraction form
    3,854.35/5,319 = 2,085.94/x
  3. Step 3: Cross multiply
    3,854.35x = 5,319 × 2,085.94
  4. Step 4: Simplify right side
    3,854.35x = 11,095,114.86
  5. Step 5: Solve for x
    x = 11,095,114.86/3,854.35
  6. Step 6: Final answer
    x = 2,878.60

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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.