Home / 5,301.45-7,315.75-2,943.74

Finding the Fourth Proportional to 5,301.45, 7,315.75 and 2,943.74

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Solution

The fourth proportional to 5,301.45, 7,315.75 and 2,943.74 is: 4,062.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,301.45 : 7,315.75 = 2,943.74 : x
  2. Step 2: Convert to fraction form
    5,301.45/7,315.75 = 2,943.74/x
  3. Step 3: Cross multiply
    5,301.45x = 7,315.75 × 2,943.74
  4. Step 4: Simplify right side
    5,301.45x = 21,535,629.33
  5. Step 5: Solve for x
    x = 21,535,629.33/5,301.45
  6. Step 6: Final answer
    x = 4,062.22

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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.