Home / 5,330.36-7,354.95-2,972

Finding the Fourth Proportional to 5,330.36, 7,354.95 and 2,972

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Solution

The fourth proportional to 5,330.36, 7,354.95 and 2,972 is: 4,100.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.36 : 7,354.95 = 2,972 : x
  2. Step 2: Convert to fraction form
    5,330.36/7,354.95 = 2,972/x
  3. Step 3: Cross multiply
    5,330.36x = 7,354.95 × 2,972
  4. Step 4: Simplify right side
    5,330.36x = 21,858,911.40
  5. Step 5: Solve for x
    x = 21,858,911.40/5,330.36
  6. Step 6: Final answer
    x = 4,100.83

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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.