Home / 3,200.52-4,416.12-1,874.28

Finding the Fourth Proportional to 3,200.52, 4,416.12 and 1,874.28

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Solution

The fourth proportional to 3,200.52, 4,416.12 and 1,874.28 is: 2,586.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.52 : 4,416.12 = 1,874.28 : x
  2. Step 2: Convert to fraction form
    3,200.52/4,416.12 = 1,874.28/x
  3. Step 3: Cross multiply
    3,200.52x = 4,416.12 × 1,874.28
  4. Step 4: Simplify right side
    3,200.52x = 8,277,045.39
  5. Step 5: Solve for x
    x = 8,277,045.39/3,200.52
  6. Step 6: Final answer
    x = 2,586.16

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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.