Home / 3,969.24-5,953.12-1,777.56

Finding the Fourth Proportional to 3,969.24, 5,953.12 and 1,777.56

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Solution

The fourth proportional to 3,969.24, 5,953.12 and 1,777.56 is: 2,666.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969.24 : 5,953.12 = 1,777.56 : x
  2. Step 2: Convert to fraction form
    3,969.24/5,953.12 = 1,777.56/x
  3. Step 3: Cross multiply
    3,969.24x = 5,953.12 × 1,777.56
  4. Step 4: Simplify right side
    3,969.24x = 10,582,027.99
  5. Step 5: Solve for x
    x = 10,582,027.99/3,969.24
  6. Step 6: Final answer
    x = 2,666.01

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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.