Home / 5,184.69-7,776.97-1,289.13

Finding the Fourth Proportional to 5,184.69, 7,776.97 and 1,289.13

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Solution

The fourth proportional to 5,184.69, 7,776.97 and 1,289.13 is: 1,933.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184.69 : 7,776.97 = 1,289.13 : x
  2. Step 2: Convert to fraction form
    5,184.69/7,776.97 = 1,289.13/x
  3. Step 3: Cross multiply
    5,184.69x = 7,776.97 × 1,289.13
  4. Step 4: Simplify right side
    5,184.69x = 10,025,522.11
  5. Step 5: Solve for x
    x = 10,025,522.11/5,184.69
  6. Step 6: Final answer
    x = 1,933.68

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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.