Home / 6,180.75-8,529.65-3,386.43

Finding the Fourth Proportional to 6,180.75, 8,529.65 and 3,386.43

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Solution

The fourth proportional to 6,180.75, 8,529.65 and 3,386.43 is: 4,673.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,180.75 : 8,529.65 = 3,386.43 : x
  2. Step 2: Convert to fraction form
    6,180.75/8,529.65 = 3,386.43/x
  3. Step 3: Cross multiply
    6,180.75x = 8,529.65 × 3,386.43
  4. Step 4: Simplify right side
    6,180.75x = 28,885,062.65
  5. Step 5: Solve for x
    x = 28,885,062.65/6,180.75
  6. Step 6: Final answer
    x = 4,673.39

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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.