Home / 5,197.37-7,172.35-3,074.36

Finding the Fourth Proportional to 5,197.37, 7,172.35 and 3,074.36

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Solution

The fourth proportional to 5,197.37, 7,172.35 and 3,074.36 is: 4,242.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,197.37 : 7,172.35 = 3,074.36 : x
  2. Step 2: Convert to fraction form
    5,197.37/7,172.35 = 3,074.36/x
  3. Step 3: Cross multiply
    5,197.37x = 7,172.35 × 3,074.36
  4. Step 4: Simplify right side
    5,197.37x = 22,050,342.40
  5. Step 5: Solve for x
    x = 22,050,342.40/5,197.37
  6. Step 6: Final answer
    x = 4,242.60

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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.