Home / 2,316.30-3,474.45-2,114.70

Finding the Fourth Proportional to 2,316.30, 3,474.45 and 2,114.70

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Solution

The fourth proportional to 2,316.30, 3,474.45 and 2,114.70 is: 3,172.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316.30 : 3,474.45 = 2,114.70 : x
  2. Step 2: Convert to fraction form
    2,316.30/3,474.45 = 2,114.70/x
  3. Step 3: Cross multiply
    2,316.30x = 3,474.45 × 2,114.70
  4. Step 4: Simplify right side
    2,316.30x = 7,347,419.42
  5. Step 5: Solve for x
    x = 7,347,419.42/2,316.30
  6. Step 6: Final answer
    x = 3,172.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.