Home / 5,185.16-7,153.23-3,505.95

Finding the Fourth Proportional to 5,185.16, 7,153.23 and 3,505.95

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Solution

The fourth proportional to 5,185.16, 7,153.23 and 3,505.95 is: 4,836.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185.16 : 7,153.23 = 3,505.95 : x
  2. Step 2: Convert to fraction form
    5,185.16/7,153.23 = 3,505.95/x
  3. Step 3: Cross multiply
    5,185.16x = 7,153.23 × 3,505.95
  4. Step 4: Simplify right side
    5,185.16x = 25,078,866.72
  5. Step 5: Solve for x
    x = 25,078,866.72/5,185.16
  6. Step 6: Final answer
    x = 4,836.67

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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.