Home / 3,465.12-5,172.36-3,006.12

Finding the Fourth Proportional to 3,465.12, 5,172.36 and 3,006.12

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Solution

The fourth proportional to 3,465.12, 5,172.36 and 3,006.12 is: 4,487.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.12 : 5,172.36 = 3,006.12 : x
  2. Step 2: Convert to fraction form
    3,465.12/5,172.36 = 3,006.12/x
  3. Step 3: Cross multiply
    3,465.12x = 5,172.36 × 3,006.12
  4. Step 4: Simplify right side
    3,465.12x = 15,548,734.84
  5. Step 5: Solve for x
    x = 15,548,734.84/3,465.12
  6. Step 6: Final answer
    x = 4,487.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.