Home / 3,279.56-4,526.90-1,953.68

Finding the Fourth Proportional to 3,279.56, 4,526.90 and 1,953.68

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Solution

The fourth proportional to 3,279.56, 4,526.90 and 1,953.68 is: 2,696.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.56 : 4,526.90 = 1,953.68 : x
  2. Step 2: Convert to fraction form
    3,279.56/4,526.90 = 1,953.68/x
  3. Step 3: Cross multiply
    3,279.56x = 4,526.90 × 1,953.68
  4. Step 4: Simplify right side
    3,279.56x = 8,844,113.99
  5. Step 5: Solve for x
    x = 8,844,113.99/3,279.56
  6. Step 6: Final answer
    x = 2,696.74

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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.