Home / 7,019.46-10,530.81-3,735.72

Finding the Fourth Proportional to 7,019.46, 10,530.81 and 3,735.72

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Solution

The fourth proportional to 7,019.46, 10,530.81 and 3,735.72 is: 5,604.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,019.46 : 10,530.81 = 3,735.72 : x
  2. Step 2: Convert to fraction form
    7,019.46/10,530.81 = 3,735.72/x
  3. Step 3: Cross multiply
    7,019.46x = 10,530.81 × 3,735.72
  4. Step 4: Simplify right side
    7,019.46x = 39,340,157.53
  5. Step 5: Solve for x
    x = 39,340,157.53/7,019.46
  6. Step 6: Final answer
    x = 5,604.44

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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.