Home / 7,070.63-9,757.67-3,927.02

Finding the Fourth Proportional to 7,070.63, 9,757.67 and 3,927.02

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Solution

The fourth proportional to 7,070.63, 9,757.67 and 3,927.02 is: 5,419.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,070.63 : 9,757.67 = 3,927.02 : x
  2. Step 2: Convert to fraction form
    7,070.63/9,757.67 = 3,927.02/x
  3. Step 3: Cross multiply
    7,070.63x = 9,757.67 × 3,927.02
  4. Step 4: Simplify right side
    7,070.63x = 38,318,496.82
  5. Step 5: Solve for x
    x = 38,318,496.82/7,070.63
  6. Step 6: Final answer
    x = 5,419.39

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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.