Home / 7,407.63-10,222.78-4,050.66

Finding the Fourth Proportional to 7,407.63, 10,222.78 and 4,050.66

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Solution

The fourth proportional to 7,407.63, 10,222.78 and 4,050.66 is: 5,590.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407.63 : 10,222.78 = 4,050.66 : x
  2. Step 2: Convert to fraction form
    7,407.63/10,222.78 = 4,050.66/x
  3. Step 3: Cross multiply
    7,407.63x = 10,222.78 × 4,050.66
  4. Step 4: Simplify right side
    7,407.63x = 41,408,995.73
  5. Step 5: Solve for x
    x = 41,408,995.73/7,407.63
  6. Step 6: Final answer
    x = 5,590.05

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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.