Home / 6,803.52-9,389.40-3,819.55

Finding the Fourth Proportional to 6,803.52, 9,389.40 and 3,819.55

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Solution

The fourth proportional to 6,803.52, 9,389.40 and 3,819.55 is: 5,271.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,803.52 : 9,389.40 = 3,819.55 : x
  2. Step 2: Convert to fraction form
    6,803.52/9,389.40 = 3,819.55/x
  3. Step 3: Cross multiply
    6,803.52x = 9,389.40 × 3,819.55
  4. Step 4: Simplify right side
    6,803.52x = 35,863,282.77
  5. Step 5: Solve for x
    x = 35,863,282.77/6,803.52
  6. Step 6: Final answer
    x = 5,271.28

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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.