Home / 3,281.57-4,923.35-1,172.92

Finding the Fourth Proportional to 3,281.57, 4,923.35 and 1,172.92

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Solution

The fourth proportional to 3,281.57, 4,923.35 and 1,172.92 is: 1,759.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.57 : 4,923.35 = 1,172.92 : x
  2. Step 2: Convert to fraction form
    3,281.57/4,923.35 = 1,172.92/x
  3. Step 3: Cross multiply
    3,281.57x = 4,923.35 × 1,172.92
  4. Step 4: Simplify right side
    3,281.57x = 5,774,707.99
  5. Step 5: Solve for x
    x = 5,774,707.99/3,281.57
  6. Step 6: Final answer
    x = 1,759.74

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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.