Home / 5,536.18-7,640.46-3,178.27

Finding the Fourth Proportional to 5,536.18, 7,640.46 and 3,178.27

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Solution

The fourth proportional to 5,536.18, 7,640.46 and 3,178.27 is: 4,386.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,536.18 : 7,640.46 = 3,178.27 : x
  2. Step 2: Convert to fraction form
    5,536.18/7,640.46 = 3,178.27/x
  3. Step 3: Cross multiply
    5,536.18x = 7,640.46 × 3,178.27
  4. Step 4: Simplify right side
    5,536.18x = 24,283,444.80
  5. Step 5: Solve for x
    x = 24,283,444.80/5,536.18
  6. Step 6: Final answer
    x = 4,386.32

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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.