Home / 5,092.08-7,019.56-3,971.76

Finding the Fourth Proportional to 5,092.08, 7,019.56 and 3,971.76

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Solution

The fourth proportional to 5,092.08, 7,019.56 and 3,971.76 is: 5,475.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,092.08 : 7,019.56 = 3,971.76 : x
  2. Step 2: Convert to fraction form
    5,092.08/7,019.56 = 3,971.76/x
  3. Step 3: Cross multiply
    5,092.08x = 7,019.56 × 3,971.76
  4. Step 4: Simplify right side
    5,092.08x = 27,880,007.63
  5. Step 5: Solve for x
    x = 27,880,007.63/5,092.08
  6. Step 6: Final answer
    x = 5,475.17

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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.