Home / 3,009.18-4,153.23-1,891.11

Finding the Fourth Proportional to 3,009.18, 4,153.23 and 1,891.11

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Solution

The fourth proportional to 3,009.18, 4,153.23 and 1,891.11 is: 2,610.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009.18 : 4,153.23 = 1,891.11 : x
  2. Step 2: Convert to fraction form
    3,009.18/4,153.23 = 1,891.11/x
  3. Step 3: Cross multiply
    3,009.18x = 4,153.23 × 1,891.11
  4. Step 4: Simplify right side
    3,009.18x = 7,854,214.79
  5. Step 5: Solve for x
    x = 7,854,214.79/3,009.18
  6. Step 6: Final answer
    x = 2,610.08

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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.