Home / 5,897.07-8,138.66-3,540.51

Finding the Fourth Proportional to 5,897.07, 8,138.66 and 3,540.51

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Solution

The fourth proportional to 5,897.07, 8,138.66 and 3,540.51 is: 4,886.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,897.07 : 8,138.66 = 3,540.51 : x
  2. Step 2: Convert to fraction form
    5,897.07/8,138.66 = 3,540.51/x
  3. Step 3: Cross multiply
    5,897.07x = 8,138.66 × 3,540.51
  4. Step 4: Simplify right side
    5,897.07x = 28,814,989.41
  5. Step 5: Solve for x
    x = 28,814,989.41/5,897.07
  6. Step 6: Final answer
    x = 4,886.32

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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.