Home / 4,672.02-6,445.80-3,177.36

Finding the Fourth Proportional to 4,672.02, 6,445.80 and 3,177.36

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Solution

The fourth proportional to 4,672.02, 6,445.80 and 3,177.36 is: 4,383.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,672.02 : 6,445.80 = 3,177.36 : x
  2. Step 2: Convert to fraction form
    4,672.02/6,445.80 = 3,177.36/x
  3. Step 3: Cross multiply
    4,672.02x = 6,445.80 × 3,177.36
  4. Step 4: Simplify right side
    4,672.02x = 20,480,627.09
  5. Step 5: Solve for x
    x = 20,480,627.09/4,672.02
  6. Step 6: Final answer
    x = 4,383.68

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Half scale
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Similar ratio
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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.