Home / 5,448.36-7,515.53-3,853.22

Finding the Fourth Proportional to 5,448.36, 7,515.53 and 3,853.22

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Solution

The fourth proportional to 5,448.36, 7,515.53 and 3,853.22 is: 5,315.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.36 : 7,515.53 = 3,853.22 : x
  2. Step 2: Convert to fraction form
    5,448.36/7,515.53 = 3,853.22/x
  3. Step 3: Cross multiply
    5,448.36x = 7,515.53 × 3,853.22
  4. Step 4: Simplify right side
    5,448.36x = 28,959,012.06
  5. Step 5: Solve for x
    x = 28,959,012.06/5,448.36
  6. Step 6: Final answer
    x = 5,315.18

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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.