Home / 3,017.04-4,163.48-1,690.74

Finding the Fourth Proportional to 3,017.04, 4,163.48 and 1,690.74

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Solution

The fourth proportional to 3,017.04, 4,163.48 and 1,690.74 is: 2,333.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,017.04 : 4,163.48 = 1,690.74 : x
  2. Step 2: Convert to fraction form
    3,017.04/4,163.48 = 1,690.74/x
  3. Step 3: Cross multiply
    3,017.04x = 4,163.48 × 1,690.74
  4. Step 4: Simplify right side
    3,017.04x = 7,039,362.18
  5. Step 5: Solve for x
    x = 7,039,362.18/3,017.04
  6. Step 6: Final answer
    x = 2,333.20

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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.