Home / 3,200.32-4,416.33-1,783.96

Finding the Fourth Proportional to 3,200.32, 4,416.33 and 1,783.96

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Solution

The fourth proportional to 3,200.32, 4,416.33 and 1,783.96 is: 2,461.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.32 : 4,416.33 = 1,783.96 : x
  2. Step 2: Convert to fraction form
    3,200.32/4,416.33 = 1,783.96/x
  3. Step 3: Cross multiply
    3,200.32x = 4,416.33 × 1,783.96
  4. Step 4: Simplify right side
    3,200.32x = 7,878,556.07
  5. Step 5: Solve for x
    x = 7,878,556.07/3,200.32
  6. Step 6: Final answer
    x = 2,461.80

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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.