Home / 3,036.80-4,190.87-1,710.43

Finding the Fourth Proportional to 3,036.80, 4,190.87 and 1,710.43

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Solution

The fourth proportional to 3,036.80, 4,190.87 and 1,710.43 is: 2,360.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.80 : 4,190.87 = 1,710.43 : x
  2. Step 2: Convert to fraction form
    3,036.80/4,190.87 = 1,710.43/x
  3. Step 3: Cross multiply
    3,036.80x = 4,190.87 × 1,710.43
  4. Step 4: Simplify right side
    3,036.80x = 7,168,189.77
  5. Step 5: Solve for x
    x = 7,168,189.77/3,036.80
  6. Step 6: Final answer
    x = 2,360.44

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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.