Home / 5,301.45-7,315.31-2,943.14

Finding the Fourth Proportional to 5,301.45, 7,315.31 and 2,943.14

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Solution

The fourth proportional to 5,301.45, 7,315.31 and 2,943.14 is: 4,061.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,301.45 : 7,315.31 = 2,943.14 : x
  2. Step 2: Convert to fraction form
    5,301.45/7,315.31 = 2,943.14/x
  3. Step 3: Cross multiply
    5,301.45x = 7,315.31 × 2,943.14
  4. Step 4: Simplify right side
    5,301.45x = 21,529,952.25
  5. Step 5: Solve for x
    x = 21,529,952.25/5,301.45
  6. Step 6: Final answer
    x = 4,061.14

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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.