Home / 7,374.47-10,176.68-4,231.15

Finding the Fourth Proportional to 7,374.47, 10,176.68 and 4,231.15

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Solution

The fourth proportional to 7,374.47, 10,176.68 and 4,231.15 is: 5,838.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,374.47 : 10,176.68 = 4,231.15 : x
  2. Step 2: Convert to fraction form
    7,374.47/10,176.68 = 4,231.15/x
  3. Step 3: Cross multiply
    7,374.47x = 10,176.68 × 4,231.15
  4. Step 4: Simplify right side
    7,374.47x = 43,059,019.28
  5. Step 5: Solve for x
    x = 43,059,019.28/7,374.47
  6. Step 6: Final answer
    x = 5,838.93

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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.