Home / 5,825.41-8,038.85-3,172.77

Finding the Fourth Proportional to 5,825.41, 8,038.85 and 3,172.77

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Solution

The fourth proportional to 5,825.41, 8,038.85 and 3,172.77 is: 4,378.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,825.41 : 8,038.85 = 3,172.77 : x
  2. Step 2: Convert to fraction form
    5,825.41/8,038.85 = 3,172.77/x
  3. Step 3: Cross multiply
    5,825.41x = 8,038.85 × 3,172.77
  4. Step 4: Simplify right side
    5,825.41x = 25,505,406.25
  5. Step 5: Solve for x
    x = 25,505,406.25/5,825.41
  6. Step 6: Final answer
    x = 4,378.30

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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.