Home / 6,549.69-9,038.39-3,716.99

Finding the Fourth Proportional to 6,549.69, 9,038.39 and 3,716.99

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Solution

The fourth proportional to 6,549.69, 9,038.39 and 3,716.99 is: 5,129.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,549.69 : 9,038.39 = 3,716.99 : x
  2. Step 2: Convert to fraction form
    6,549.69/9,038.39 = 3,716.99/x
  3. Step 3: Cross multiply
    6,549.69x = 9,038.39 × 3,716.99
  4. Step 4: Simplify right side
    6,549.69x = 33,595,541.47
  5. Step 5: Solve for x
    x = 33,595,541.47/6,549.69
  6. Step 6: Final answer
    x = 5,129.33

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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.