Home / 1,756.20-2,422.80-1,093.38

Finding the Fourth Proportional to 1,756.20, 2,422.80 and 1,093.38

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Solution

The fourth proportional to 1,756.20, 2,422.80 and 1,093.38 is: 1,508.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756.20 : 2,422.80 = 1,093.38 : x
  2. Step 2: Convert to fraction form
    1,756.20/2,422.80 = 1,093.38/x
  3. Step 3: Cross multiply
    1,756.20x = 2,422.80 × 1,093.38
  4. Step 4: Simplify right side
    1,756.20x = 2,649,041.06
  5. Step 5: Solve for x
    x = 2,649,041.06/1,756.20
  6. Step 6: Final answer
    x = 1,508.39

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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.