Home / 7,719.80-10,652.82-4,925

Finding the Fourth Proportional to 7,719.80, 10,652.82 and 4,925

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Solution

The fourth proportional to 7,719.80, 10,652.82 and 4,925 is: 6,796.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,719.80 : 10,652.82 = 4,925 : x
  2. Step 2: Convert to fraction form
    7,719.80/10,652.82 = 4,925/x
  3. Step 3: Cross multiply
    7,719.80x = 10,652.82 × 4,925
  4. Step 4: Simplify right side
    7,719.80x = 52,465,138.50
  5. Step 5: Solve for x
    x = 52,465,138.50/7,719.80
  6. Step 6: Final answer
    x = 6,796.18

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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.