Home / 5,174.04-7,139.16-2,935.38

Finding the Fourth Proportional to 5,174.04, 7,139.16 and 2,935.38

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Solution

The fourth proportional to 5,174.04, 7,139.16 and 2,935.38 is: 4,050.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.04 : 7,139.16 = 2,935.38 : x
  2. Step 2: Convert to fraction form
    5,174.04/7,139.16 = 2,935.38/x
  3. Step 3: Cross multiply
    5,174.04x = 7,139.16 × 2,935.38
  4. Step 4: Simplify right side
    5,174.04x = 20,956,147.48
  5. Step 5: Solve for x
    x = 20,956,147.48/5,174.04
  6. Step 6: Final answer
    x = 4,050.25

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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.