Home / 5,301.12-7,315.44-2,943.18

Finding the Fourth Proportional to 5,301.12, 7,315.44 and 2,943.18

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Solution

The fourth proportional to 5,301.12, 7,315.44 and 2,943.18 is: 4,061.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,301.12 : 7,315.44 = 2,943.18 : x
  2. Step 2: Convert to fraction form
    5,301.12/7,315.44 = 2,943.18/x
  3. Step 3: Cross multiply
    5,301.12x = 7,315.44 × 2,943.18
  4. Step 4: Simplify right side
    5,301.12x = 21,530,656.70
  5. Step 5: Solve for x
    x = 21,530,656.70/5,301.12
  6. Step 6: Final answer
    x = 4,061.53

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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.