Home / 3,175.04-4,762.45-983.18

Finding the Fourth Proportional to 3,175.04, 4,762.45 and 983.18

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Solution

The fourth proportional to 3,175.04, 4,762.45 and 983.18 is: 1,474.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175.04 : 4,762.45 = 983.18 : x
  2. Step 2: Convert to fraction form
    3,175.04/4,762.45 = 983.18/x
  3. Step 3: Cross multiply
    3,175.04x = 4,762.45 × 983.18
  4. Step 4: Simplify right side
    3,175.04x = 4,682,316.86
  5. Step 5: Solve for x
    x = 4,682,316.86/3,175.04
  6. Step 6: Final answer
    x = 1,474.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.