Home / 4,648.02-6,409.35-3,321.24

Finding the Fourth Proportional to 4,648.02, 6,409.35 and 3,321.24

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Solution

The fourth proportional to 4,648.02, 6,409.35 and 3,321.24 is: 4,579.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,648.02 : 6,409.35 = 3,321.24 : x
  2. Step 2: Convert to fraction form
    4,648.02/6,409.35 = 3,321.24/x
  3. Step 3: Cross multiply
    4,648.02x = 6,409.35 × 3,321.24
  4. Step 4: Simplify right side
    4,648.02x = 21,286,989.59
  5. Step 5: Solve for x
    x = 21,286,989.59/4,648.02
  6. Step 6: Final answer
    x = 4,579.80

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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.