Home / 6,120.52-9,180.70-1,503.56

Finding the Fourth Proportional to 6,120.52, 9,180.70 and 1,503.56

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Solution

The fourth proportional to 6,120.52, 9,180.70 and 1,503.56 is: 2,255.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.52 : 9,180.70 = 1,503.56 : x
  2. Step 2: Convert to fraction form
    6,120.52/9,180.70 = 1,503.56/x
  3. Step 3: Cross multiply
    6,120.52x = 9,180.70 × 1,503.56
  4. Step 4: Simplify right side
    6,120.52x = 13,803,733.29
  5. Step 5: Solve for x
    x = 13,803,733.29/6,120.52
  6. Step 6: Final answer
    x = 2,255.32

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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.