Home / 4,845.03-6,685.23-2,856.21

Finding the Fourth Proportional to 4,845.03, 6,685.23 and 2,856.21

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Solution

The fourth proportional to 4,845.03, 6,685.23 and 2,856.21 is: 3,941.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,845.03 : 6,685.23 = 2,856.21 : x
  2. Step 2: Convert to fraction form
    4,845.03/6,685.23 = 2,856.21/x
  3. Step 3: Cross multiply
    4,845.03x = 6,685.23 × 2,856.21
  4. Step 4: Simplify right side
    4,845.03x = 19,094,420.78
  5. Step 5: Solve for x
    x = 19,094,420.78/4,845.03
  6. Step 6: Final answer
    x = 3,941.03

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Half scale
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Double 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.