Home / 3,705.37-5,114.99-2,308.81

Finding the Fourth Proportional to 3,705.37, 5,114.99 and 2,308.81

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Solution

The fourth proportional to 3,705.37, 5,114.99 and 2,308.81 is: 3,187.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.37 : 5,114.99 = 2,308.81 : x
  2. Step 2: Convert to fraction form
    3,705.37/5,114.99 = 2,308.81/x
  3. Step 3: Cross multiply
    3,705.37x = 5,114.99 × 2,308.81
  4. Step 4: Simplify right side
    3,705.37x = 11,809,528.52
  5. Step 5: Solve for x
    x = 11,809,528.52/3,705.37
  6. Step 6: Final answer
    x = 3,187.14

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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.