Home / 5,558.36-7,671.31-3,200.45

Finding the Fourth Proportional to 5,558.36, 7,671.31 and 3,200.45

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Solution

The fourth proportional to 5,558.36, 7,671.31 and 3,200.45 is: 4,417.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,558.36 : 7,671.31 = 3,200.45 : x
  2. Step 2: Convert to fraction form
    5,558.36/7,671.31 = 3,200.45/x
  3. Step 3: Cross multiply
    5,558.36x = 7,671.31 × 3,200.45
  4. Step 4: Simplify right side
    5,558.36x = 24,551,597.73
  5. Step 5: Solve for x
    x = 24,551,597.73/5,558.36
  6. Step 6: Final answer
    x = 4,417.06

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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.