Home / 2,938.41-4,055.10-1,612.20

Finding the Fourth Proportional to 2,938.41, 4,055.10 and 1,612.20

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Solution

The fourth proportional to 2,938.41, 4,055.10 and 1,612.20 is: 2,224.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.41 : 4,055.10 = 1,612.20 : x
  2. Step 2: Convert to fraction form
    2,938.41/4,055.10 = 1,612.20/x
  3. Step 3: Cross multiply
    2,938.41x = 4,055.10 × 1,612.20
  4. Step 4: Simplify right side
    2,938.41x = 6,537,632.22
  5. Step 5: Solve for x
    x = 6,537,632.22/2,938.41
  6. Step 6: Final answer
    x = 2,224.89

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Half scale
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Double scale
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Similar ratio
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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.