Home / 6,317.70-8,718.23-3,485.04

Finding the Fourth Proportional to 6,317.70, 8,718.23 and 3,485.04

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Solution

The fourth proportional to 6,317.70, 8,718.23 and 3,485.04 is: 4,809.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,317.70 : 8,718.23 = 3,485.04 : x
  2. Step 2: Convert to fraction form
    6,317.70/8,718.23 = 3,485.04/x
  3. Step 3: Cross multiply
    6,317.70x = 8,718.23 × 3,485.04
  4. Step 4: Simplify right side
    6,317.70x = 30,383,405.34
  5. Step 5: Solve for x
    x = 30,383,405.34/6,317.70
  6. Step 6: Final answer
    x = 4,809.25

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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.