Home / 4,074.32-6,111.64-1,152.88

Finding the Fourth Proportional to 4,074.32, 6,111.64 and 1,152.88

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Solution

The fourth proportional to 4,074.32, 6,111.64 and 1,152.88 is: 1,729.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,074.32 : 6,111.64 = 1,152.88 : x
  2. Step 2: Convert to fraction form
    4,074.32/6,111.64 = 1,152.88/x
  3. Step 3: Cross multiply
    4,074.32x = 6,111.64 × 1,152.88
  4. Step 4: Simplify right side
    4,074.32x = 7,045,987.52
  5. Step 5: Solve for x
    x = 7,045,987.52/4,074.32
  6. Step 6: Final answer
    x = 1,729.37

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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.