Home / 3,292.36-4,543.42-1,800.32

Finding the Fourth Proportional to 3,292.36, 4,543.42 and 1,800.32

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Solution

The fourth proportional to 3,292.36, 4,543.42 and 1,800.32 is: 2,484.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,292.36 : 4,543.42 = 1,800.32 : x
  2. Step 2: Convert to fraction form
    3,292.36/4,543.42 = 1,800.32/x
  3. Step 3: Cross multiply
    3,292.36x = 4,543.42 × 1,800.32
  4. Step 4: Simplify right side
    3,292.36x = 8,179,609.89
  5. Step 5: Solve for x
    x = 8,179,609.89/3,292.36
  6. Step 6: Final answer
    x = 2,484.42

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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.