Home / 7,679.63-10,598.20-4,322.43

Finding the Fourth Proportional to 7,679.63, 10,598.20 and 4,322.43

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Solution

The fourth proportional to 7,679.63, 10,598.20 and 4,322.43 is: 5,965.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,679.63 : 10,598.20 = 4,322.43 : x
  2. Step 2: Convert to fraction form
    7,679.63/10,598.20 = 4,322.43/x
  3. Step 3: Cross multiply
    7,679.63x = 10,598.20 × 4,322.43
  4. Step 4: Simplify right side
    7,679.63x = 45,809,966.82
  5. Step 5: Solve for x
    x = 45,809,966.82/7,679.63
  6. Step 6: Final answer
    x = 5,965.12

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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.