Home / 7,480.31-10,319.94-4,292.46

Finding the Fourth Proportional to 7,480.31, 10,319.94 and 4,292.46

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Solution

The fourth proportional to 7,480.31, 10,319.94 and 4,292.46 is: 5,921.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.31 : 10,319.94 = 4,292.46 : x
  2. Step 2: Convert to fraction form
    7,480.31/10,319.94 = 4,292.46/x
  3. Step 3: Cross multiply
    7,480.31x = 10,319.94 × 4,292.46
  4. Step 4: Simplify right side
    7,480.31x = 44,297,890.95
  5. Step 5: Solve for x
    x = 44,297,890.95/7,480.31
  6. Step 6: Final answer
    x = 5,921.93

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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.