Home / 4,578.72-6,317.48-3,089.36

Finding the Fourth Proportional to 4,578.72, 6,317.48 and 3,089.36

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Solution

The fourth proportional to 4,578.72, 6,317.48 and 3,089.36 is: 4,262.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,578.72 : 6,317.48 = 3,089.36 : x
  2. Step 2: Convert to fraction form
    4,578.72/6,317.48 = 3,089.36/x
  3. Step 3: Cross multiply
    4,578.72x = 6,317.48 × 3,089.36
  4. Step 4: Simplify right side
    4,578.72x = 19,516,970.01
  5. Step 5: Solve for x
    x = 19,516,970.01/4,578.72
  6. Step 6: Final answer
    x = 4,262.54

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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.