Home / 5,328.81-7,353.79-2,971.10

Finding the Fourth Proportional to 5,328.81, 7,353.79 and 2,971.10

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Solution

The fourth proportional to 5,328.81, 7,353.79 and 2,971.10 is: 4,100.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.81 : 7,353.79 = 2,971.10 : x
  2. Step 2: Convert to fraction form
    5,328.81/7,353.79 = 2,971.10/x
  3. Step 3: Cross multiply
    5,328.81x = 7,353.79 × 2,971.10
  4. Step 4: Simplify right side
    5,328.81x = 21,848,845.47
  5. Step 5: Solve for x
    x = 21,848,845.47/5,328.81
  6. Step 6: Final answer
    x = 4,100.14

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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.