Home / 4,113.12-6,170.01-1,191.48

Finding the Fourth Proportional to 4,113.12, 6,170.01 and 1,191.48

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Solution

The fourth proportional to 4,113.12, 6,170.01 and 1,191.48 is: 1,787.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,113.12 : 6,170.01 = 1,191.48 : x
  2. Step 2: Convert to fraction form
    4,113.12/6,170.01 = 1,191.48/x
  3. Step 3: Cross multiply
    4,113.12x = 6,170.01 × 1,191.48
  4. Step 4: Simplify right side
    4,113.12x = 7,351,443.51
  5. Step 5: Solve for x
    x = 7,351,443.51/4,113.12
  6. Step 6: Final answer
    x = 1,787.32

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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.