Home / 7,316.39-10,980.73-3,159.52

Finding the Fourth Proportional to 7,316.39, 10,980.73 and 3,159.52

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Solution

The fourth proportional to 7,316.39, 10,980.73 and 3,159.52 is: 4,741.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,316.39 : 10,980.73 = 3,159.52 : x
  2. Step 2: Convert to fraction form
    7,316.39/10,980.73 = 3,159.52/x
  3. Step 3: Cross multiply
    7,316.39x = 10,980.73 × 3,159.52
  4. Step 4: Simplify right side
    7,316.39x = 34,693,812.55
  5. Step 5: Solve for x
    x = 34,693,812.55/7,316.39
  6. Step 6: Final answer
    x = 4,741.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.