Home / 3,313.08-4,969.62-1,777.08

Finding the Fourth Proportional to 3,313.08, 4,969.62 and 1,777.08

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Solution

The fourth proportional to 3,313.08, 4,969.62 and 1,777.08 is: 2,665.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313.08 : 4,969.62 = 1,777.08 : x
  2. Step 2: Convert to fraction form
    3,313.08/4,969.62 = 1,777.08/x
  3. Step 3: Cross multiply
    3,313.08x = 4,969.62 × 1,777.08
  4. Step 4: Simplify right side
    3,313.08x = 8,831,412.31
  5. Step 5: Solve for x
    x = 8,831,412.31/3,313.08
  6. Step 6: Final answer
    x = 2,665.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.