Home / 3,518.01-5,277.78-1,053.05

Finding the Fourth Proportional to 3,518.01, 5,277.78 and 1,053.05

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Solution

The fourth proportional to 3,518.01, 5,277.78 and 1,053.05 is: 1,579.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.01 : 5,277.78 = 1,053.05 : x
  2. Step 2: Convert to fraction form
    3,518.01/5,277.78 = 1,053.05/x
  3. Step 3: Cross multiply
    3,518.01x = 5,277.78 × 1,053.05
  4. Step 4: Simplify right side
    3,518.01x = 5,557,739.84
  5. Step 5: Solve for x
    x = 5,557,739.84/3,518.01
  6. Step 6: Final answer
    x = 1,579.80

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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.