Home / 4,991.36-7,483.80-4,265.60

Finding the Fourth Proportional to 4,991.36, 7,483.80 and 4,265.60

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Solution

The fourth proportional to 4,991.36, 7,483.80 and 4,265.60 is: 6,395.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.36 : 7,483.80 = 4,265.60 : x
  2. Step 2: Convert to fraction form
    4,991.36/7,483.80 = 4,265.60/x
  3. Step 3: Cross multiply
    4,991.36x = 7,483.80 × 4,265.60
  4. Step 4: Simplify right side
    4,991.36x = 31,922,897.28
  5. Step 5: Solve for x
    x = 31,922,897.28/4,991.36
  6. Step 6: Final answer
    x = 6,395.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.