Home / 3,027.12-4,540.36-1,052.40

Finding the Fourth Proportional to 3,027.12, 4,540.36 and 1,052.40

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Solution

The fourth proportional to 3,027.12, 4,540.36 and 1,052.40 is: 1,578.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,027.12 : 4,540.36 = 1,052.40 : x
  2. Step 2: Convert to fraction form
    3,027.12/4,540.36 = 1,052.40/x
  3. Step 3: Cross multiply
    3,027.12x = 4,540.36 × 1,052.40
  4. Step 4: Simplify right side
    3,027.12x = 4,778,274.86
  5. Step 5: Solve for x
    x = 4,778,274.86/3,027.12
  6. Step 6: Final answer
    x = 1,578.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.