Home / 3,090.69-4,265.16-1,693.44

Finding the Fourth Proportional to 3,090.69, 4,265.16 and 1,693.44

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Solution

The fourth proportional to 3,090.69, 4,265.16 and 1,693.44 is: 2,336.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.69 : 4,265.16 = 1,693.44 : x
  2. Step 2: Convert to fraction form
    3,090.69/4,265.16 = 1,693.44/x
  3. Step 3: Cross multiply
    3,090.69x = 4,265.16 × 1,693.44
  4. Step 4: Simplify right side
    3,090.69x = 7,222,792.55
  5. Step 5: Solve for x
    x = 7,222,792.55/3,090.69
  6. Step 6: Final answer
    x = 2,336.95

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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.