Home / 3,010.18-4,154.61-1,892.11

Finding the Fourth Proportional to 3,010.18, 4,154.61 and 1,892.11

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Solution

The fourth proportional to 3,010.18, 4,154.61 and 1,892.11 is: 2,611.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,010.18 : 4,154.61 = 1,892.11 : x
  2. Step 2: Convert to fraction form
    3,010.18/4,154.61 = 1,892.11/x
  3. Step 3: Cross multiply
    3,010.18x = 4,154.61 × 1,892.11
  4. Step 4: Simplify right side
    3,010.18x = 7,860,979.13
  5. Step 5: Solve for x
    x = 7,860,979.13/3,010.18
  6. Step 6: Final answer
    x = 2,611.46

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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.