Home / 5,373.44-7,415.75-3,136.02

Finding the Fourth Proportional to 5,373.44, 7,415.75 and 3,136.02

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Solution

The fourth proportional to 5,373.44, 7,415.75 and 3,136.02 is: 4,327.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,373.44 : 7,415.75 = 3,136.02 : x
  2. Step 2: Convert to fraction form
    5,373.44/7,415.75 = 3,136.02/x
  3. Step 3: Cross multiply
    5,373.44x = 7,415.75 × 3,136.02
  4. Step 4: Simplify right side
    5,373.44x = 23,255,920.35
  5. Step 5: Solve for x
    x = 23,255,920.35/5,373.44
  6. Step 6: Final answer
    x = 4,327.94

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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.