Home / 7,157.54-10,740.48-2,997.18

Finding the Fourth Proportional to 7,157.54, 10,740.48 and 2,997.18

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Solution

The fourth proportional to 7,157.54, 10,740.48 and 2,997.18 is: 4,497.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,157.54 : 10,740.48 = 2,997.18 : x
  2. Step 2: Convert to fraction form
    7,157.54/10,740.48 = 2,997.18/x
  3. Step 3: Cross multiply
    7,157.54x = 10,740.48 × 2,997.18
  4. Step 4: Simplify right side
    7,157.54x = 32,191,151.85
  5. Step 5: Solve for x
    x = 32,191,151.85/7,157.54
  6. Step 6: Final answer
    x = 4,497.52

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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.