Home / 5,422.36-7,480.27-3,153.69

Finding the Fourth Proportional to 5,422.36, 7,480.27 and 3,153.69

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Solution

The fourth proportional to 5,422.36, 7,480.27 and 3,153.69 is: 4,350.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.36 : 7,480.27 = 3,153.69 : x
  2. Step 2: Convert to fraction form
    5,422.36/7,480.27 = 3,153.69/x
  3. Step 3: Cross multiply
    5,422.36x = 7,480.27 × 3,153.69
  4. Step 4: Simplify right side
    5,422.36x = 23,590,444.81
  5. Step 5: Solve for x
    x = 23,590,444.81/5,422.36
  6. Step 6: Final answer
    x = 4,350.59

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Double scale
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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.