Home / 4,039.96-5,570.58-2,918.92

Finding the Fourth Proportional to 4,039.96, 5,570.58 and 2,918.92

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Solution

The fourth proportional to 4,039.96, 5,570.58 and 2,918.92 is: 4,024.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,039.96 : 5,570.58 = 2,918.92 : x
  2. Step 2: Convert to fraction form
    4,039.96/5,570.58 = 2,918.92/x
  3. Step 3: Cross multiply
    4,039.96x = 5,570.58 × 2,918.92
  4. Step 4: Simplify right side
    4,039.96x = 16,260,077.37
  5. Step 5: Solve for x
    x = 16,260,077.37/4,039.96
  6. Step 6: Final answer
    x = 4,024.81

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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.