Home / 2,912.10-4,368.15-2,474.70

Finding the Fourth Proportional to 2,912.10, 4,368.15 and 2,474.70

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Solution

The fourth proportional to 2,912.10, 4,368.15 and 2,474.70 is: 3,712.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.10 : 4,368.15 = 2,474.70 : x
  2. Step 2: Convert to fraction form
    2,912.10/4,368.15 = 2,474.70/x
  3. Step 3: Cross multiply
    2,912.10x = 4,368.15 × 2,474.70
  4. Step 4: Simplify right side
    2,912.10x = 10,809,860.81
  5. Step 5: Solve for x
    x = 10,809,860.81/2,912.10
  6. Step 6: Final answer
    x = 3,712.05

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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.