Home / 5,825.34-8,039.07-3,172.77

Finding the Fourth Proportional to 5,825.34, 8,039.07 and 3,172.77

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Solution

The fourth proportional to 5,825.34, 8,039.07 and 3,172.77 is: 4,378.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,825.34 : 8,039.07 = 3,172.77 : x
  2. Step 2: Convert to fraction form
    5,825.34/8,039.07 = 3,172.77/x
  3. Step 3: Cross multiply
    5,825.34x = 8,039.07 × 3,172.77
  4. Step 4: Simplify right side
    5,825.34x = 25,506,120.12
  5. Step 5: Solve for x
    x = 25,506,120.12/5,825.34
  6. Step 6: Final answer
    x = 4,378.48

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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.