Home / 7,480.26-10,321.02-5,487.36

Finding the Fourth Proportional to 7,480.26, 10,321.02 and 5,487.36

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Solution

The fourth proportional to 7,480.26, 10,321.02 and 5,487.36 is: 7,571.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.26 : 10,321.02 = 5,487.36 : x
  2. Step 2: Convert to fraction form
    7,480.26/10,321.02 = 5,487.36/x
  3. Step 3: Cross multiply
    7,480.26x = 10,321.02 × 5,487.36
  4. Step 4: Simplify right side
    7,480.26x = 56,635,152.31
  5. Step 5: Solve for x
    x = 56,635,152.31/7,480.26
  6. Step 6: Final answer
    x = 7,571.28

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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.