Home / 4,180.50-6,271.07-1,407.15

Finding the Fourth Proportional to 4,180.50, 6,271.07 and 1,407.15

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Solution

The fourth proportional to 4,180.50, 6,271.07 and 1,407.15 is: 2,110.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,180.50 : 6,271.07 = 1,407.15 : x
  2. Step 2: Convert to fraction form
    4,180.50/6,271.07 = 1,407.15/x
  3. Step 3: Cross multiply
    4,180.50x = 6,271.07 × 1,407.15
  4. Step 4: Simplify right side
    4,180.50x = 8,824,336.15
  5. Step 5: Solve for x
    x = 8,824,336.15/4,180.50
  6. Step 6: Final answer
    x = 2,110.83

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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.