Home / 5,737.09-7,920.37-3,615.36

Finding the Fourth Proportional to 5,737.09, 7,920.37 and 3,615.36

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Solution

The fourth proportional to 5,737.09, 7,920.37 and 3,615.36 is: 4,991.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,737.09 : 7,920.37 = 3,615.36 : x
  2. Step 2: Convert to fraction form
    5,737.09/7,920.37 = 3,615.36/x
  3. Step 3: Cross multiply
    5,737.09x = 7,920.37 × 3,615.36
  4. Step 4: Simplify right side
    5,737.09x = 28,634,988.88
  5. Step 5: Solve for x
    x = 28,634,988.88/5,737.09
  6. Step 6: Final answer
    x = 4,991.20

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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.