Home / 3,182.84-4,392.16-1,766.51

Finding the Fourth Proportional to 3,182.84, 4,392.16 and 1,766.51

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Solution

The fourth proportional to 3,182.84, 4,392.16 and 1,766.51 is: 2,437.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.84 : 4,392.16 = 1,766.51 : x
  2. Step 2: Convert to fraction form
    3,182.84/4,392.16 = 1,766.51/x
  3. Step 3: Cross multiply
    3,182.84x = 4,392.16 × 1,766.51
  4. Step 4: Simplify right side
    3,182.84x = 7,758,763.77
  5. Step 5: Solve for x
    x = 7,758,763.77/3,182.84
  6. Step 6: Final answer
    x = 2,437.69

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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.