Home / 2,638.48-3,957.73-2,333.92

Finding the Fourth Proportional to 2,638.48, 3,957.73 and 2,333.92

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Solution

The fourth proportional to 2,638.48, 3,957.73 and 2,333.92 is: 3,500.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638.48 : 3,957.73 = 2,333.92 : x
  2. Step 2: Convert to fraction form
    2,638.48/3,957.73 = 2,333.92/x
  3. Step 3: Cross multiply
    2,638.48x = 3,957.73 × 2,333.92
  4. Step 4: Simplify right side
    2,638.48x = 9,237,025.20
  5. Step 5: Solve for x
    x = 9,237,025.20/2,638.48
  6. Step 6: Final answer
    x = 3,500.89

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1.5x scale

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.