Home / 4,031.49-5,550.75-3,662.40

Finding the Fourth Proportional to 4,031.49, 5,550.75 and 3,662.40

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Solution

The fourth proportional to 4,031.49, 5,550.75 and 3,662.40 is: 5,042.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,031.49 : 5,550.75 = 3,662.40 : x
  2. Step 2: Convert to fraction form
    4,031.49/5,550.75 = 3,662.40/x
  3. Step 3: Cross multiply
    4,031.49x = 5,550.75 × 3,662.40
  4. Step 4: Simplify right side
    4,031.49x = 20,329,066.80
  5. Step 5: Solve for x
    x = 20,329,066.80/4,031.49
  6. Step 6: Final answer
    x = 5,042.57

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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.