Home / 5,886.23-8,128.27-4,391.55

Finding the Fourth Proportional to 5,886.23, 8,128.27 and 4,391.55

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Solution

The fourth proportional to 5,886.23, 8,128.27 and 4,391.55 is: 6,064.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,886.23 : 8,128.27 = 4,391.55 : x
  2. Step 2: Convert to fraction form
    5,886.23/8,128.27 = 4,391.55/x
  3. Step 3: Cross multiply
    5,886.23x = 8,128.27 × 4,391.55
  4. Step 4: Simplify right side
    5,886.23x = 35,695,682.16
  5. Step 5: Solve for x
    x = 35,695,682.16/5,886.23
  6. Step 6: Final answer
    x = 6,064.27

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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.