Home / 5,555.52-7,669.38-3,668.34

Finding the Fourth Proportional to 5,555.52, 7,669.38 and 3,668.34

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Solution

The fourth proportional to 5,555.52, 7,669.38 and 3,668.34 is: 5,064.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.52 : 7,669.38 = 3,668.34 : x
  2. Step 2: Convert to fraction form
    5,555.52/7,669.38 = 3,668.34/x
  3. Step 3: Cross multiply
    5,555.52x = 7,669.38 × 3,668.34
  4. Step 4: Simplify right side
    5,555.52x = 28,133,893.43
  5. Step 5: Solve for x
    x = 28,133,893.43/5,555.52
  6. Step 6: Final answer
    x = 5,064.13

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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.