Home / 5,174.28-7,758.58-2,051.12

Finding the Fourth Proportional to 5,174.28, 7,758.58 and 2,051.12

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Solution

The fourth proportional to 5,174.28, 7,758.58 and 2,051.12 is: 3,075.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.28 : 7,758.58 = 2,051.12 : x
  2. Step 2: Convert to fraction form
    5,174.28/7,758.58 = 2,051.12/x
  3. Step 3: Cross multiply
    5,174.28x = 7,758.58 × 2,051.12
  4. Step 4: Simplify right side
    5,174.28x = 15,913,768.35
  5. Step 5: Solve for x
    x = 15,913,768.35/5,174.28
  6. Step 6: Final answer
    x = 3,075.56

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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.