Home / 5,923.17-8,172.99-3,405.15

Finding the Fourth Proportional to 5,923.17, 8,172.99 and 3,405.15

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Solution

The fourth proportional to 5,923.17, 8,172.99 and 3,405.15 is: 4,698.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,923.17 : 8,172.99 = 3,405.15 : x
  2. Step 2: Convert to fraction form
    5,923.17/8,172.99 = 3,405.15/x
  3. Step 3: Cross multiply
    5,923.17x = 8,172.99 × 3,405.15
  4. Step 4: Simplify right side
    5,923.17x = 27,830,256.90
  5. Step 5: Solve for x
    x = 27,830,256.90/5,923.17
  6. Step 6: Final answer
    x = 4,698.54

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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.