Home / 5,261.23-7,892.57-1,929.05

Finding the Fourth Proportional to 5,261.23, 7,892.57 and 1,929.05

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Solution

The fourth proportional to 5,261.23, 7,892.57 and 1,929.05 is: 2,893.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.23 : 7,892.57 = 1,929.05 : x
  2. Step 2: Convert to fraction form
    5,261.23/7,892.57 = 1,929.05/x
  3. Step 3: Cross multiply
    5,261.23x = 7,892.57 × 1,929.05
  4. Step 4: Simplify right side
    5,261.23x = 15,225,157.12
  5. Step 5: Solve for x
    x = 15,225,157.12/5,261.23
  6. Step 6: Final answer
    x = 2,893.84

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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.