Home / 2,505.57-3,455.70-2,337.90

Finding the Fourth Proportional to 2,505.57, 3,455.70 and 2,337.90

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Solution

The fourth proportional to 2,505.57, 3,455.70 and 2,337.90 is: 3,224.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,505.57 : 3,455.70 = 2,337.90 : x
  2. Step 2: Convert to fraction form
    2,505.57/3,455.70 = 2,337.90/x
  3. Step 3: Cross multiply
    2,505.57x = 3,455.70 × 2,337.90
  4. Step 4: Simplify right side
    2,505.57x = 8,079,059.30
  5. Step 5: Solve for x
    x = 8,079,059.30/2,505.57
  6. Step 6: Final answer
    x = 3,224.44

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1.5x scale

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.