Home / 5,824.89-8,038.31-3,172.28

Finding the Fourth Proportional to 5,824.89, 8,038.31 and 3,172.28

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Solution

The fourth proportional to 5,824.89, 8,038.31 and 3,172.28 is: 4,377.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,824.89 : 8,038.31 = 3,172.28 : x
  2. Step 2: Convert to fraction form
    5,824.89/8,038.31 = 3,172.28/x
  3. Step 3: Cross multiply
    5,824.89x = 8,038.31 × 3,172.28
  4. Step 4: Simplify right side
    5,824.89x = 25,499,713.99
  5. Step 5: Solve for x
    x = 25,499,713.99/5,824.89
  6. Step 6: Final answer
    x = 4,377.72

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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.