Home / 3,894.48-5,374.44-2,300.40

Finding the Fourth Proportional to 3,894.48, 5,374.44 and 2,300.40

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Solution

The fourth proportional to 3,894.48, 5,374.44 and 2,300.40 is: 3,174.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,894.48 : 5,374.44 = 2,300.40 : x
  2. Step 2: Convert to fraction form
    3,894.48/5,374.44 = 2,300.40/x
  3. Step 3: Cross multiply
    3,894.48x = 5,374.44 × 2,300.40
  4. Step 4: Simplify right side
    3,894.48x = 12,363,361.78
  5. Step 5: Solve for x
    x = 12,363,361.78/3,894.48
  6. Step 6: Final answer
    x = 3,174.59

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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.