Home / 4,990.53-7,473.50-3,137.05

Finding the Fourth Proportional to 4,990.53, 7,473.50 and 3,137.05

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Solution

The fourth proportional to 4,990.53, 7,473.50 and 3,137.05 is: 4,697.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.53 : 7,473.50 = 3,137.05 : x
  2. Step 2: Convert to fraction form
    4,990.53/7,473.50 = 3,137.05/x
  3. Step 3: Cross multiply
    4,990.53x = 7,473.50 × 3,137.05
  4. Step 4: Simplify right side
    4,990.53x = 23,444,748.60
  5. Step 5: Solve for x
    x = 23,444,748.60/4,990.53
  6. Step 6: Final answer
    x = 4,697.84

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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.