Home / 3,119.41-4,304.75-1,703.08

Finding the Fourth Proportional to 3,119.41, 4,304.75 and 1,703.08

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Solution

The fourth proportional to 3,119.41, 4,304.75 and 1,703.08 is: 2,350.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.41 : 4,304.75 = 1,703.08 : x
  2. Step 2: Convert to fraction form
    3,119.41/4,304.75 = 1,703.08/x
  3. Step 3: Cross multiply
    3,119.41x = 4,304.75 × 1,703.08
  4. Step 4: Simplify right side
    3,119.41x = 7,331,333.63
  5. Step 5: Solve for x
    x = 7,331,333.63/3,119.41
  6. Step 6: Final answer
    x = 2,350.23

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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.