Home / 5,170.98-7,136.34-2,933.40

Finding the Fourth Proportional to 5,170.98, 7,136.34 and 2,933.40

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Solution

The fourth proportional to 5,170.98, 7,136.34 and 2,933.40 is: 4,048.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170.98 : 7,136.34 = 2,933.40 : x
  2. Step 2: Convert to fraction form
    5,170.98/7,136.34 = 2,933.40/x
  3. Step 3: Cross multiply
    5,170.98x = 7,136.34 × 2,933.40
  4. Step 4: Simplify right side
    5,170.98x = 20,933,739.76
  5. Step 5: Solve for x
    x = 20,933,739.76/5,170.98
  6. Step 6: Final answer
    x = 4,048.31

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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.