Home / 5,174.24-7,140.26-2,935.99

Finding the Fourth Proportional to 5,174.24, 7,140.26 and 2,935.99

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Solution

The fourth proportional to 5,174.24, 7,140.26 and 2,935.99 is: 4,051.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.24 : 7,140.26 = 2,935.99 : x
  2. Step 2: Convert to fraction form
    5,174.24/7,140.26 = 2,935.99/x
  3. Step 3: Cross multiply
    5,174.24x = 7,140.26 × 2,935.99
  4. Step 4: Simplify right side
    5,174.24x = 20,963,709.84
  5. Step 5: Solve for x
    x = 20,963,709.84/5,174.24
  6. Step 6: Final answer
    x = 4,051.55

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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.