Home / 1,893.12-2,610.62-1,783.76

Finding the Fourth Proportional to 1,893.12, 2,610.62 and 1,783.76

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Solution

The fourth proportional to 1,893.12, 2,610.62 and 1,783.76 is: 2,459.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,893.12 : 2,610.62 = 1,783.76 : x
  2. Step 2: Convert to fraction form
    1,893.12/2,610.62 = 1,783.76/x
  3. Step 3: Cross multiply
    1,893.12x = 2,610.62 × 1,783.76
  4. Step 4: Simplify right side
    1,893.12x = 4,656,719.53
  5. Step 5: Solve for x
    x = 4,656,719.53/1,893.12
  6. Step 6: Final answer
    x = 2,459.81

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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.