Home / 3,555.19-4,903.62-2,374.21

Finding the Fourth Proportional to 3,555.19, 4,903.62 and 2,374.21

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Solution

The fourth proportional to 3,555.19, 4,903.62 and 2,374.21 is: 3,274.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.19 : 4,903.62 = 2,374.21 : x
  2. Step 2: Convert to fraction form
    3,555.19/4,903.62 = 2,374.21/x
  3. Step 3: Cross multiply
    3,555.19x = 4,903.62 × 2,374.21
  4. Step 4: Simplify right side
    3,555.19x = 11,642,223.64
  5. Step 5: Solve for x
    x = 11,642,223.64/3,555.19
  6. Step 6: Final answer
    x = 3,274.71

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Half scale
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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.