Home / 3,056.89-4,214.40-2,429.50

Finding the Fourth Proportional to 3,056.89, 4,214.40 and 2,429.50

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Solution

The fourth proportional to 3,056.89, 4,214.40 and 2,429.50 is: 3,349.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,056.89 : 4,214.40 = 2,429.50 : x
  2. Step 2: Convert to fraction form
    3,056.89/4,214.40 = 2,429.50/x
  3. Step 3: Cross multiply
    3,056.89x = 4,214.40 × 2,429.50
  4. Step 4: Simplify right side
    3,056.89x = 10,238,884.80
  5. Step 5: Solve for x
    x = 10,238,884.80/3,056.89
  6. Step 6: Final answer
    x = 3,349.44

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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.