Home / 5,365.12-8,046.40-1,901.44

Finding the Fourth Proportional to 5,365.12, 8,046.40 and 1,901.44

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Solution

The fourth proportional to 5,365.12, 8,046.40 and 1,901.44 is: 2,851.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,365.12 : 8,046.40 = 1,901.44 : x
  2. Step 2: Convert to fraction form
    5,365.12/8,046.40 = 1,901.44/x
  3. Step 3: Cross multiply
    5,365.12x = 8,046.40 × 1,901.44
  4. Step 4: Simplify right side
    5,365.12x = 15,299,746.82
  5. Step 5: Solve for x
    x = 15,299,746.82/5,365.12
  6. Step 6: Final answer
    x = 2,851.71

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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.