Home / 3,590.87-4,955.41-1,997.49

Finding the Fourth Proportional to 3,590.87, 4,955.41 and 1,997.49

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Solution

The fourth proportional to 3,590.87, 4,955.41 and 1,997.49 is: 2,756.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,590.87 : 4,955.41 = 1,997.49 : x
  2. Step 2: Convert to fraction form
    3,590.87/4,955.41 = 1,997.49/x
  3. Step 3: Cross multiply
    3,590.87x = 4,955.41 × 1,997.49
  4. Step 4: Simplify right side
    3,590.87x = 9,898,347.16
  5. Step 5: Solve for x
    x = 9,898,347.16/3,590.87
  6. Step 6: Final answer
    x = 2,756.53

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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.