Home / 7,316.44-10,095.78-4,172.02

Finding the Fourth Proportional to 7,316.44, 10,095.78 and 4,172.02

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Solution

The fourth proportional to 7,316.44, 10,095.78 and 4,172.02 is: 5,756.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,316.44 : 10,095.78 = 4,172.02 : x
  2. Step 2: Convert to fraction form
    7,316.44/10,095.78 = 4,172.02/x
  3. Step 3: Cross multiply
    7,316.44x = 10,095.78 × 4,172.02
  4. Step 4: Simplify right side
    7,316.44x = 42,119,796.08
  5. Step 5: Solve for x
    x = 42,119,796.08/7,316.44
  6. Step 6: Final answer
    x = 5,756.87

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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.