Home / 3,801.12-5,246.34-2,403.60

Finding the Fourth Proportional to 3,801.12, 5,246.34 and 2,403.60

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Solution

The fourth proportional to 3,801.12, 5,246.34 and 2,403.60 is: 3,317.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,801.12 : 5,246.34 = 2,403.60 : x
  2. Step 2: Convert to fraction form
    3,801.12/5,246.34 = 2,403.60/x
  3. Step 3: Cross multiply
    3,801.12x = 5,246.34 × 2,403.60
  4. Step 4: Simplify right side
    3,801.12x = 12,610,102.82
  5. Step 5: Solve for x
    x = 12,610,102.82/3,801.12
  6. Step 6: Final answer
    x = 3,317.47

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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.