Home / 3,555.46-4,902.42-2,923.66

Finding the Fourth Proportional to 3,555.46, 4,902.42 and 2,923.66

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Solution

The fourth proportional to 3,555.46, 4,902.42 and 2,923.66 is: 4,031.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.46 : 4,902.42 = 2,923.66 : x
  2. Step 2: Convert to fraction form
    3,555.46/4,902.42 = 2,923.66/x
  3. Step 3: Cross multiply
    3,555.46x = 4,902.42 × 2,923.66
  4. Step 4: Simplify right side
    3,555.46x = 14,333,009.26
  5. Step 5: Solve for x
    x = 14,333,009.26/3,555.46
  6. Step 6: Final answer
    x = 4,031.27

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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.