Home / 6,550.69-9,039.76-3,717.99

Finding the Fourth Proportional to 6,550.69, 9,039.76 and 3,717.99

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Solution

The fourth proportional to 6,550.69, 9,039.76 and 3,717.99 is: 5,130.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,550.69 : 9,039.76 = 3,717.99 : x
  2. Step 2: Convert to fraction form
    6,550.69/9,039.76 = 3,717.99/x
  3. Step 3: Cross multiply
    6,550.69x = 9,039.76 × 3,717.99
  4. Step 4: Simplify right side
    6,550.69x = 33,609,737.28
  5. Step 5: Solve for x
    x = 33,609,737.28/6,550.69
  6. Step 6: Final answer
    x = 5,130.72

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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.