Home / 5,174.46-7,140.35-2,935.94

Finding the Fourth Proportional to 5,174.46, 7,140.35 and 2,935.94

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Solution

The fourth proportional to 5,174.46, 7,140.35 and 2,935.94 is: 4,051.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.46 : 7,140.35 = 2,935.94 : x
  2. Step 2: Convert to fraction form
    5,174.46/7,140.35 = 2,935.94/x
  3. Step 3: Cross multiply
    5,174.46x = 7,140.35 × 2,935.94
  4. Step 4: Simplify right side
    5,174.46x = 20,963,610.82
  5. Step 5: Solve for x
    x = 20,963,610.82/5,174.46
  6. Step 6: Final answer
    x = 4,051.36

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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.