Home / 6,578.86-9,077.34-3,925.75

Finding the Fourth Proportional to 6,578.86, 9,077.34 and 3,925.75

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Solution

The fourth proportional to 6,578.86, 9,077.34 and 3,925.75 is: 5,416.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,578.86 : 9,077.34 = 3,925.75 : x
  2. Step 2: Convert to fraction form
    6,578.86/9,077.34 = 3,925.75/x
  3. Step 3: Cross multiply
    6,578.86x = 9,077.34 × 3,925.75
  4. Step 4: Simplify right side
    6,578.86x = 35,635,367.51
  5. Step 5: Solve for x
    x = 35,635,367.51/6,578.86
  6. Step 6: Final answer
    x = 5,416.65

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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.