Home / 4,385.36-6,578.04-1,919

Finding the Fourth Proportional to 4,385.36, 6,578.04 and 1,919

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Solution

The fourth proportional to 4,385.36, 6,578.04 and 1,919 is: 2,878.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,385.36 : 6,578.04 = 1,919 : x
  2. Step 2: Convert to fraction form
    4,385.36/6,578.04 = 1,919/x
  3. Step 3: Cross multiply
    4,385.36x = 6,578.04 × 1,919
  4. Step 4: Simplify right side
    4,385.36x = 12,623,258.76
  5. Step 5: Solve for x
    x = 12,623,258.76/4,385.36
  6. Step 6: Final answer
    x = 2,878.50

Related Problems

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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.