Home / 7,851.56-10,835.16-4,314.95

Finding the Fourth Proportional to 7,851.56, 10,835.16 and 4,314.95

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Solution

The fourth proportional to 7,851.56, 10,835.16 and 4,314.95 is: 5,954.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,851.56 : 10,835.16 = 4,314.95 : x
  2. Step 2: Convert to fraction form
    7,851.56/10,835.16 = 4,314.95/x
  3. Step 3: Cross multiply
    7,851.56x = 10,835.16 × 4,314.95
  4. Step 4: Simplify right side
    7,851.56x = 46,753,173.64
  5. Step 5: Solve for x
    x = 46,753,173.64/7,851.56
  6. Step 6: Final answer
    x = 5,954.63

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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.