Home / 5,491.59-7,578.93-3,134.08

Finding the Fourth Proportional to 5,491.59, 7,578.93 and 3,134.08

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Solution

The fourth proportional to 5,491.59, 7,578.93 and 3,134.08 is: 4,325.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,491.59 : 7,578.93 = 3,134.08 : x
  2. Step 2: Convert to fraction form
    5,491.59/7,578.93 = 3,134.08/x
  3. Step 3: Cross multiply
    5,491.59x = 7,578.93 × 3,134.08
  4. Step 4: Simplify right side
    5,491.59x = 23,752,972.93
  5. Step 5: Solve for x
    x = 23,752,972.93/5,491.59
  6. Step 6: Final answer
    x = 4,325.34

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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.