Home / 5,157.22-7,098.98-4,451.30

Finding the Fourth Proportional to 5,157.22, 7,098.98 and 4,451.30

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Solution

The fourth proportional to 5,157.22, 7,098.98 and 4,451.30 is: 6,127.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,157.22 : 7,098.98 = 4,451.30 : x
  2. Step 2: Convert to fraction form
    5,157.22/7,098.98 = 4,451.30/x
  3. Step 3: Cross multiply
    5,157.22x = 7,098.98 × 4,451.30
  4. Step 4: Simplify right side
    5,157.22x = 31,599,667.42
  5. Step 5: Solve for x
    x = 31,599,667.42/5,157.22
  6. Step 6: Final answer
    x = 6,127.27

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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.