Home / 4,815.04-7,212.71-3,330.58

Finding the Fourth Proportional to 4,815.04, 7,212.71 and 3,330.58

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Solution

The fourth proportional to 4,815.04, 7,212.71 and 3,330.58 is: 4,989.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.04 : 7,212.71 = 3,330.58 : x
  2. Step 2: Convert to fraction form
    4,815.04/7,212.71 = 3,330.58/x
  3. Step 3: Cross multiply
    4,815.04x = 7,212.71 × 3,330.58
  4. Step 4: Simplify right side
    4,815.04x = 24,022,491.02
  5. Step 5: Solve for x
    x = 24,022,491.02/4,815.04
  6. Step 6: Final answer
    x = 4,989.05

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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.