Home / 5,021.76-6,921.38-3,340.17

Finding the Fourth Proportional to 5,021.76, 6,921.38 and 3,340.17

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Solution

The fourth proportional to 5,021.76, 6,921.38 and 3,340.17 is: 4,603.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.76 : 6,921.38 = 3,340.17 : x
  2. Step 2: Convert to fraction form
    5,021.76/6,921.38 = 3,340.17/x
  3. Step 3: Cross multiply
    5,021.76x = 6,921.38 × 3,340.17
  4. Step 4: Simplify right side
    5,021.76x = 23,118,594.19
  5. Step 5: Solve for x
    x = 23,118,594.19/5,021.76
  6. Step 6: Final answer
    x = 4,603.68

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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.