Home / 5,536.77-7,640.74-3,018.87

Finding the Fourth Proportional to 5,536.77, 7,640.74 and 3,018.87

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Solution

The fourth proportional to 5,536.77, 7,640.74 and 3,018.87 is: 4,166.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,536.77 : 7,640.74 = 3,018.87 : x
  2. Step 2: Convert to fraction form
    5,536.77/7,640.74 = 3,018.87/x
  3. Step 3: Cross multiply
    5,536.77x = 7,640.74 × 3,018.87
  4. Step 4: Simplify right side
    5,536.77x = 23,066,400.76
  5. Step 5: Solve for x
    x = 23,066,400.76/5,536.77
  6. Step 6: Final answer
    x = 4,166.04

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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.