Home / 5,653.28-8,478.56-2,531.52

Finding the Fourth Proportional to 5,653.28, 8,478.56 and 2,531.52

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Solution

The fourth proportional to 5,653.28, 8,478.56 and 2,531.52 is: 3,796.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,653.28 : 8,478.56 = 2,531.52 : x
  2. Step 2: Convert to fraction form
    5,653.28/8,478.56 = 2,531.52/x
  3. Step 3: Cross multiply
    5,653.28x = 8,478.56 × 2,531.52
  4. Step 4: Simplify right side
    5,653.28x = 21,463,644.21
  5. Step 5: Solve for x
    x = 21,463,644.21/5,653.28
  6. Step 6: Final answer
    x = 3,796.67

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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.