Home / 4,972.42-7,457.47-2,197.58

Finding the Fourth Proportional to 4,972.42, 7,457.47 and 2,197.58

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Solution

The fourth proportional to 4,972.42, 7,457.47 and 2,197.58 is: 3,295.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.42 : 7,457.47 = 2,197.58 : x
  2. Step 2: Convert to fraction form
    4,972.42/7,457.47 = 2,197.58/x
  3. Step 3: Cross multiply
    4,972.42x = 7,457.47 × 2,197.58
  4. Step 4: Simplify right side
    4,972.42x = 16,388,338.65
  5. Step 5: Solve for x
    x = 16,388,338.65/4,972.42
  6. Step 6: Final answer
    x = 3,295.85

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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.