Home / 3,518.15-5,277.95-1,326.89

Finding the Fourth Proportional to 3,518.15, 5,277.95 and 1,326.89

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Solution

The fourth proportional to 3,518.15, 5,277.95 and 1,326.89 is: 1,990.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.15 : 5,277.95 = 1,326.89 : x
  2. Step 2: Convert to fraction form
    3,518.15/5,277.95 = 1,326.89/x
  3. Step 3: Cross multiply
    3,518.15x = 5,277.95 × 1,326.89
  4. Step 4: Simplify right side
    3,518.15x = 7,003,226.05
  5. Step 5: Solve for x
    x = 7,003,226.05/3,518.15
  6. Step 6: Final answer
    x = 1,990.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.