Home / 2,753.67-3,792.24-2,421.99

Finding the Fourth Proportional to 2,753.67, 3,792.24 and 2,421.99

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Solution

The fourth proportional to 2,753.67, 3,792.24 and 2,421.99 is: 3,335.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,753.67 : 3,792.24 = 2,421.99 : x
  2. Step 2: Convert to fraction form
    2,753.67/3,792.24 = 2,421.99/x
  3. Step 3: Cross multiply
    2,753.67x = 3,792.24 × 2,421.99
  4. Step 4: Simplify right side
    2,753.67x = 9,184,767.36
  5. Step 5: Solve for x
    x = 9,184,767.36/2,753.67
  6. Step 6: Final answer
    x = 3,335.46

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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.