Home / 5,736.40-8,604.60-3,432.40

Finding the Fourth Proportional to 5,736.40, 8,604.60 and 3,432.40

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Solution

The fourth proportional to 5,736.40, 8,604.60 and 3,432.40 is: 5,148.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,736.40 : 8,604.60 = 3,432.40 : x
  2. Step 2: Convert to fraction form
    5,736.40/8,604.60 = 3,432.40/x
  3. Step 3: Cross multiply
    5,736.40x = 8,604.60 × 3,432.40
  4. Step 4: Simplify right side
    5,736.40x = 29,534,429.04
  5. Step 5: Solve for x
    x = 29,534,429.04/5,736.40
  6. Step 6: Final answer
    x = 5,148.60

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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.