Home / 3,216.32-4,438.74-1,800.14

Finding the Fourth Proportional to 3,216.32, 4,438.74 and 1,800.14

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Solution

The fourth proportional to 3,216.32, 4,438.74 and 1,800.14 is: 2,484.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.32 : 4,438.74 = 1,800.14 : x
  2. Step 2: Convert to fraction form
    3,216.32/4,438.74 = 1,800.14/x
  3. Step 3: Cross multiply
    3,216.32x = 4,438.74 × 1,800.14
  4. Step 4: Simplify right side
    3,216.32x = 7,990,331.23
  5. Step 5: Solve for x
    x = 7,990,331.23/3,216.32
  6. Step 6: Final answer
    x = 2,484.31

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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.