Home / 3,622.12-4,995.54-3,045.04

Finding the Fourth Proportional to 3,622.12, 4,995.54 and 3,045.04

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Solution

The fourth proportional to 3,622.12, 4,995.54 and 3,045.04 is: 4,199.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.12 : 4,995.54 = 3,045.04 : x
  2. Step 2: Convert to fraction form
    3,622.12/4,995.54 = 3,045.04/x
  3. Step 3: Cross multiply
    3,622.12x = 4,995.54 × 3,045.04
  4. Step 4: Simplify right side
    3,622.12x = 15,211,619.12
  5. Step 5: Solve for x
    x = 15,211,619.12/3,622.12
  6. Step 6: Final answer
    x = 4,199.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.