Home / 3,125.10-4,693.05-1,667.10

Finding the Fourth Proportional to 3,125.10, 4,693.05 and 1,667.10

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Solution

The fourth proportional to 3,125.10, 4,693.05 and 1,667.10 is: 2,503.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.10 : 4,693.05 = 1,667.10 : x
  2. Step 2: Convert to fraction form
    3,125.10/4,693.05 = 1,667.10/x
  3. Step 3: Cross multiply
    3,125.10x = 4,693.05 × 1,667.10
  4. Step 4: Simplify right side
    3,125.10x = 7,823,783.66
  5. Step 5: Solve for x
    x = 7,823,783.66/3,125.10
  6. Step 6: Final answer
    x = 2,503.53

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.