Home / 7,450.85-10,278.91-4,617.47

Finding the Fourth Proportional to 7,450.85, 10,278.91 and 4,617.47

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Solution

The fourth proportional to 7,450.85, 10,278.91 and 4,617.47 is: 6,370.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,450.85 : 10,278.91 = 4,617.47 : x
  2. Step 2: Convert to fraction form
    7,450.85/10,278.91 = 4,617.47/x
  3. Step 3: Cross multiply
    7,450.85x = 10,278.91 × 4,617.47
  4. Step 4: Simplify right side
    7,450.85x = 47,462,558.56
  5. Step 5: Solve for x
    x = 47,462,558.56/7,450.85
  6. Step 6: Final answer
    x = 6,370.09

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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.