Home / 5,707.28-8,539.39-3,368.56

Finding the Fourth Proportional to 5,707.28, 8,539.39 and 3,368.56

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Solution

The fourth proportional to 5,707.28, 8,539.39 and 3,368.56 is: 5,040.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,707.28 : 8,539.39 = 3,368.56 : x
  2. Step 2: Convert to fraction form
    5,707.28/8,539.39 = 3,368.56/x
  3. Step 3: Cross multiply
    5,707.28x = 8,539.39 × 3,368.56
  4. Step 4: Simplify right side
    5,707.28x = 28,765,446.45
  5. Step 5: Solve for x
    x = 28,765,446.45/5,707.28
  6. Step 6: Final answer
    x = 5,040.13

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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.