Home / 5,048.70-7,569.63-2,578.74

Finding the Fourth Proportional to 5,048.70, 7,569.63 and 2,578.74

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Solution

The fourth proportional to 5,048.70, 7,569.63 and 2,578.74 is: 3,866.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,048.70 : 7,569.63 = 2,578.74 : x
  2. Step 2: Convert to fraction form
    5,048.70/7,569.63 = 2,578.74/x
  3. Step 3: Cross multiply
    5,048.70x = 7,569.63 × 2,578.74
  4. Step 4: Simplify right side
    5,048.70x = 19,520,107.67
  5. Step 5: Solve for x
    x = 19,520,107.67/5,048.70
  6. Step 6: Final answer
    x = 3,866.36

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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.