Home / 4,093.80-6,139.56-1,171.32

Finding the Fourth Proportional to 4,093.80, 6,139.56 and 1,171.32

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Solution

The fourth proportional to 4,093.80, 6,139.56 and 1,171.32 is: 1,756.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,093.80 : 6,139.56 = 1,171.32 : x
  2. Step 2: Convert to fraction form
    4,093.80/6,139.56 = 1,171.32/x
  3. Step 3: Cross multiply
    4,093.80x = 6,139.56 × 1,171.32
  4. Step 4: Simplify right side
    4,093.80x = 7,191,389.42
  5. Step 5: Solve for x
    x = 7,191,389.42/4,093.80
  6. Step 6: Final answer
    x = 1,756.65

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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.