Home / 4,774.07-7,161.24-1,311.32

Finding the Fourth Proportional to 4,774.07, 7,161.24 and 1,311.32

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Solution

The fourth proportional to 4,774.07, 7,161.24 and 1,311.32 is: 1,967.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,774.07 : 7,161.24 = 1,311.32 : x
  2. Step 2: Convert to fraction form
    4,774.07/7,161.24 = 1,311.32/x
  3. Step 3: Cross multiply
    4,774.07x = 7,161.24 × 1,311.32
  4. Step 4: Simplify right side
    4,774.07x = 9,390,634.87
  5. Step 5: Solve for x
    x = 9,390,634.87/4,774.07
  6. Step 6: Final answer
    x = 1,967.01

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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.