Home / 6,170.84-8,515.11-3,653.06

Finding the Fourth Proportional to 6,170.84, 8,515.11 and 3,653.06

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Solution

The fourth proportional to 6,170.84, 8,515.11 and 3,653.06 is: 5,040.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,170.84 : 8,515.11 = 3,653.06 : x
  2. Step 2: Convert to fraction form
    6,170.84/8,515.11 = 3,653.06/x
  3. Step 3: Cross multiply
    6,170.84x = 8,515.11 × 3,653.06
  4. Step 4: Simplify right side
    6,170.84x = 31,106,207.74
  5. Step 5: Solve for x
    x = 31,106,207.74/6,170.84
  6. Step 6: Final answer
    x = 5,040.84

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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.