Home / 5,564.21-7,678.60-3,046.32

Finding the Fourth Proportional to 5,564.21, 7,678.60 and 3,046.32

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Solution

The fourth proportional to 5,564.21, 7,678.60 and 3,046.32 is: 4,203.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,564.21 : 7,678.60 = 3,046.32 : x
  2. Step 2: Convert to fraction form
    5,564.21/7,678.60 = 3,046.32/x
  3. Step 3: Cross multiply
    5,564.21x = 7,678.60 × 3,046.32
  4. Step 4: Simplify right side
    5,564.21x = 23,391,465.14
  5. Step 5: Solve for x
    x = 23,391,465.14/5,564.21
  6. Step 6: Final answer
    x = 4,203.91

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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.