Home / 3,606.39-4,973.31-2,485.53

Finding the Fourth Proportional to 3,606.39, 4,973.31 and 2,485.53

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Solution

The fourth proportional to 3,606.39, 4,973.31 and 2,485.53 is: 3,427.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,606.39 : 4,973.31 = 2,485.53 : x
  2. Step 2: Convert to fraction form
    3,606.39/4,973.31 = 2,485.53/x
  3. Step 3: Cross multiply
    3,606.39x = 4,973.31 × 2,485.53
  4. Step 4: Simplify right side
    3,606.39x = 12,361,311.20
  5. Step 5: Solve for x
    x = 12,361,311.20/3,606.39
  6. Step 6: Final answer
    x = 3,427.61

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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.