Home / 5,475.94-7,556.81-3,118.08

Finding the Fourth Proportional to 5,475.94, 7,556.81 and 3,118.08

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Solution

The fourth proportional to 5,475.94, 7,556.81 and 3,118.08 is: 4,302.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.94 : 7,556.81 = 3,118.08 : x
  2. Step 2: Convert to fraction form
    5,475.94/7,556.81 = 3,118.08/x
  3. Step 3: Cross multiply
    5,475.94x = 7,556.81 × 3,118.08
  4. Step 4: Simplify right side
    5,475.94x = 23,562,722.53
  5. Step 5: Solve for x
    x = 23,562,722.53/5,475.94
  6. Step 6: Final answer
    x = 4,302.96

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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.