Home / 1,919.01-2,878.52-532.70

Finding the Fourth Proportional to 1,919.01, 2,878.52 and 532.70

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Solution

The fourth proportional to 1,919.01, 2,878.52 and 532.70 is: 799.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919.01 : 2,878.52 = 532.70 : x
  2. Step 2: Convert to fraction form
    1,919.01/2,878.52 = 532.70/x
  3. Step 3: Cross multiply
    1,919.01x = 2,878.52 × 532.70
  4. Step 4: Simplify right side
    1,919.01x = 1,533,379.08
  5. Step 5: Solve for x
    x = 1,533,379.08/1,919.01
  6. Step 6: Final answer
    x = 799.05

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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.