Home / 7,114.23-9,817.64-3,927.53

Finding the Fourth Proportional to 7,114.23, 9,817.64 and 3,927.53

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Solution

The fourth proportional to 7,114.23, 9,817.64 and 3,927.53 is: 5,419.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,114.23 : 9,817.64 = 3,927.53 : x
  2. Step 2: Convert to fraction form
    7,114.23/9,817.64 = 3,927.53/x
  3. Step 3: Cross multiply
    7,114.23x = 9,817.64 × 3,927.53
  4. Step 4: Simplify right side
    7,114.23x = 38,559,006.90
  5. Step 5: Solve for x
    x = 38,559,006.90/7,114.23
  6. Step 6: Final answer
    x = 5,419.98

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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.