Home / 7,278.75-10,046.30-4,625.64

Finding the Fourth Proportional to 7,278.75, 10,046.30 and 4,625.64

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Solution

The fourth proportional to 7,278.75, 10,046.30 and 4,625.64 is: 6,384.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278.75 : 10,046.30 = 4,625.64 : x
  2. Step 2: Convert to fraction form
    7,278.75/10,046.30 = 4,625.64/x
  3. Step 3: Cross multiply
    7,278.75x = 10,046.30 × 4,625.64
  4. Step 4: Simplify right side
    7,278.75x = 46,470,544.00
  5. Step 5: Solve for x
    x = 46,470,544.00/7,278.75
  6. Step 6: Final answer
    x = 6,384.41

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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.