Home / 2,913.03-4,047.91-2,883.06

Finding the Fourth Proportional to 2,913.03, 4,047.91 and 2,883.06

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Solution

The fourth proportional to 2,913.03, 4,047.91 and 2,883.06 is: 4,006.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.03 : 4,047.91 = 2,883.06 : x
  2. Step 2: Convert to fraction form
    2,913.03/4,047.91 = 2,883.06/x
  3. Step 3: Cross multiply
    2,913.03x = 4,047.91 × 2,883.06
  4. Step 4: Simplify right side
    2,913.03x = 11,670,360.20
  5. Step 5: Solve for x
    x = 11,670,360.20/2,913.03
  6. Step 6: Final answer
    x = 4,006.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.