Home / 7,278.25-10,045.61-4,625.14

Finding the Fourth Proportional to 7,278.25, 10,045.61 and 4,625.14

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Solution

The fourth proportional to 7,278.25, 10,045.61 and 4,625.14 is: 6,383.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278.25 : 10,045.61 = 4,625.14 : x
  2. Step 2: Convert to fraction form
    7,278.25/10,045.61 = 4,625.14/x
  3. Step 3: Cross multiply
    7,278.25x = 10,045.61 × 4,625.14
  4. Step 4: Simplify right side
    7,278.25x = 46,462,352.64
  5. Step 5: Solve for x
    x = 46,462,352.64/7,278.25
  6. Step 6: Final answer
    x = 6,383.73

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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.