Home / 1,846.09-2,548.80-1,425.70

Finding the Fourth Proportional to 1,846.09, 2,548.80 and 1,425.70

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Solution

The fourth proportional to 1,846.09, 2,548.80 and 1,425.70 is: 1,968.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,846.09 : 2,548.80 = 1,425.70 : x
  2. Step 2: Convert to fraction form
    1,846.09/2,548.80 = 1,425.70/x
  3. Step 3: Cross multiply
    1,846.09x = 2,548.80 × 1,425.70
  4. Step 4: Simplify right side
    1,846.09x = 3,633,811.42
  5. Step 5: Solve for x
    x = 3,633,811.42/1,846.09
  6. Step 6: Final answer
    x = 1,968.39

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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.