Home / 2,775.06-4,164.75-1,132.74

Finding the Fourth Proportional to 2,775.06, 4,164.75 and 1,132.74

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Solution

The fourth proportional to 2,775.06, 4,164.75 and 1,132.74 is: 1,699.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.06 : 4,164.75 = 1,132.74 : x
  2. Step 2: Convert to fraction form
    2,775.06/4,164.75 = 1,132.74/x
  3. Step 3: Cross multiply
    2,775.06x = 4,164.75 × 1,132.74
  4. Step 4: Simplify right side
    2,775.06x = 4,717,578.92
  5. Step 5: Solve for x
    x = 4,717,578.92/2,775.06
  6. Step 6: Final answer
    x = 1,699.99

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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.