Home / 5,085.83-7,627.95-1,967.28

Finding the Fourth Proportional to 5,085.83, 7,627.95 and 1,967.28

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Solution

The fourth proportional to 5,085.83, 7,627.95 and 1,967.28 is: 2,950.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,085.83 : 7,627.95 = 1,967.28 : x
  2. Step 2: Convert to fraction form
    5,085.83/7,627.95 = 1,967.28/x
  3. Step 3: Cross multiply
    5,085.83x = 7,627.95 × 1,967.28
  4. Step 4: Simplify right side
    5,085.83x = 15,006,313.48
  5. Step 5: Solve for x
    x = 15,006,313.48/5,085.83
  6. Step 6: Final answer
    x = 2,950.61

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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.