Home / 5,786.44-7,985.28-4,886.58

Finding the Fourth Proportional to 5,786.44, 7,985.28 and 4,886.58

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Solution

The fourth proportional to 5,786.44, 7,985.28 and 4,886.58 is: 6,743.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,786.44 : 7,985.28 = 4,886.58 : x
  2. Step 2: Convert to fraction form
    5,786.44/7,985.28 = 4,886.58/x
  3. Step 3: Cross multiply
    5,786.44x = 7,985.28 × 4,886.58
  4. Step 4: Simplify right side
    5,786.44x = 39,020,712.89
  5. Step 5: Solve for x
    x = 39,020,712.89/5,786.44
  6. Step 6: Final answer
    x = 6,743.48

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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.