Home / 3,845.55-5,306.73-2,430.01

Finding the Fourth Proportional to 3,845.55, 5,306.73 and 2,430.01

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Solution

The fourth proportional to 3,845.55, 5,306.73 and 2,430.01 is: 3,353.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.55 : 5,306.73 = 2,430.01 : x
  2. Step 2: Convert to fraction form
    3,845.55/5,306.73 = 2,430.01/x
  3. Step 3: Cross multiply
    3,845.55x = 5,306.73 × 2,430.01
  4. Step 4: Simplify right side
    3,845.55x = 12,895,380.43
  5. Step 5: Solve for x
    x = 12,895,380.43/3,845.55
  6. Step 6: Final answer
    x = 3,353.33

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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.