Home / 3,033.49-4,186.03-1,838.78

Finding the Fourth Proportional to 3,033.49, 4,186.03 and 1,838.78

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Solution

The fourth proportional to 3,033.49, 4,186.03 and 1,838.78 is: 2,537.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,033.49 : 4,186.03 = 1,838.78 : x
  2. Step 2: Convert to fraction form
    3,033.49/4,186.03 = 1,838.78/x
  3. Step 3: Cross multiply
    3,033.49x = 4,186.03 × 1,838.78
  4. Step 4: Simplify right side
    3,033.49x = 7,697,188.24
  5. Step 5: Solve for x
    x = 7,697,188.24/3,033.49
  6. Step 6: Final answer
    x = 2,537.40

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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.