Home / 3,090.94-4,265.51-1,764.74

Finding the Fourth Proportional to 3,090.94, 4,265.51 and 1,764.74

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Solution

The fourth proportional to 3,090.94, 4,265.51 and 1,764.74 is: 2,435.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.94 : 4,265.51 = 1,764.74 : x
  2. Step 2: Convert to fraction form
    3,090.94/4,265.51 = 1,764.74/x
  3. Step 3: Cross multiply
    3,090.94x = 4,265.51 × 1,764.74
  4. Step 4: Simplify right side
    3,090.94x = 7,527,517.96
  5. Step 5: Solve for x
    x = 7,527,517.96/3,090.94
  6. Step 6: Final answer
    x = 2,435.35

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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.