Home / 3,114.46-4,298.06-1,698.19

Finding the Fourth Proportional to 3,114.46, 4,298.06 and 1,698.19

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Solution

The fourth proportional to 3,114.46, 4,298.06 and 1,698.19 is: 2,343.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.46 : 4,298.06 = 1,698.19 : x
  2. Step 2: Convert to fraction form
    3,114.46/4,298.06 = 1,698.19/x
  3. Step 3: Cross multiply
    3,114.46x = 4,298.06 × 1,698.19
  4. Step 4: Simplify right side
    3,114.46x = 7,298,922.51
  5. Step 5: Solve for x
    x = 7,298,922.51/3,114.46
  6. Step 6: Final answer
    x = 2,343.56

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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.