Home / 5,418.14-7,483.19-3,646.67

Finding the Fourth Proportional to 5,418.14, 7,483.19 and 3,646.67

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Solution

The fourth proportional to 5,418.14, 7,483.19 and 3,646.67 is: 5,036.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418.14 : 7,483.19 = 3,646.67 : x
  2. Step 2: Convert to fraction form
    5,418.14/7,483.19 = 3,646.67/x
  3. Step 3: Cross multiply
    5,418.14x = 7,483.19 × 3,646.67
  4. Step 4: Simplify right side
    5,418.14x = 27,288,710.92
  5. Step 5: Solve for x
    x = 27,288,710.92/5,418.14
  6. Step 6: Final answer
    x = 5,036.55

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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.