Home / 7,407.79-10,222.74-4,050.63

Finding the Fourth Proportional to 7,407.79, 10,222.74 and 4,050.63

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Solution

The fourth proportional to 7,407.79, 10,222.74 and 4,050.63 is: 5,589.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407.79 : 10,222.74 = 4,050.63 : x
  2. Step 2: Convert to fraction form
    7,407.79/10,222.74 = 4,050.63/x
  3. Step 3: Cross multiply
    7,407.79x = 10,222.74 × 4,050.63
  4. Step 4: Simplify right side
    7,407.79x = 41,408,537.33
  5. Step 5: Solve for x
    x = 41,408,537.33/7,407.79
  6. Step 6: Final answer
    x = 5,589.87

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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.