Home / 4,836.40-6,671.86-3,157.03

Finding the Fourth Proportional to 4,836.40, 6,671.86 and 3,157.03

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Solution

The fourth proportional to 4,836.40, 6,671.86 and 3,157.03 is: 4,355.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,836.40 : 6,671.86 = 3,157.03 : x
  2. Step 2: Convert to fraction form
    4,836.40/6,671.86 = 3,157.03/x
  3. Step 3: Cross multiply
    4,836.40x = 6,671.86 × 3,157.03
  4. Step 4: Simplify right side
    4,836.40x = 21,063,262.18
  5. Step 5: Solve for x
    x = 21,063,262.18/4,836.40
  6. Step 6: Final answer
    x = 4,355.15

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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.