Home / 7,407.50-10,222.35-4,095.50

Finding the Fourth Proportional to 7,407.50, 10,222.35 and 4,095.50

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Solution

The fourth proportional to 7,407.50, 10,222.35 and 4,095.50 is: 5,651.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407.50 : 10,222.35 = 4,095.50 : x
  2. Step 2: Convert to fraction form
    7,407.50/10,222.35 = 4,095.50/x
  3. Step 3: Cross multiply
    7,407.50x = 10,222.35 × 4,095.50
  4. Step 4: Simplify right side
    7,407.50x = 41,865,634.43
  5. Step 5: Solve for x
    x = 41,865,634.43/7,407.50
  6. Step 6: Final answer
    x = 5,651.79

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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.