Home / 3,174.08-4,762.56-1,636.16

Finding the Fourth Proportional to 3,174.08, 4,762.56 and 1,636.16

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Solution

The fourth proportional to 3,174.08, 4,762.56 and 1,636.16 is: 2,454.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.08 : 4,762.56 = 1,636.16 : x
  2. Step 2: Convert to fraction form
    3,174.08/4,762.56 = 1,636.16/x
  3. Step 3: Cross multiply
    3,174.08x = 4,762.56 × 1,636.16
  4. Step 4: Simplify right side
    3,174.08x = 7,792,310.17
  5. Step 5: Solve for x
    x = 7,792,310.17/3,174.08
  6. Step 6: Final answer
    x = 2,454.98

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1.5x scale

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.