Home / 7,048.50-10,561.77-2,663.57

Finding the Fourth Proportional to 7,048.50, 10,561.77 and 2,663.57

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Solution

The fourth proportional to 7,048.50, 10,561.77 and 2,663.57 is: 3,991.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,048.50 : 10,561.77 = 2,663.57 : x
  2. Step 2: Convert to fraction form
    7,048.50/10,561.77 = 2,663.57/x
  3. Step 3: Cross multiply
    7,048.50x = 10,561.77 × 2,663.57
  4. Step 4: Simplify right side
    7,048.50x = 28,131,960.91
  5. Step 5: Solve for x
    x = 28,131,960.91/7,048.50
  6. Step 6: Final answer
    x = 3,991.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.