Home / 3,030.54-4,181.40-1,851.18

Finding the Fourth Proportional to 3,030.54, 4,181.40 and 1,851.18

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Solution

The fourth proportional to 3,030.54, 4,181.40 and 1,851.18 is: 2,554.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.54 : 4,181.40 = 1,851.18 : x
  2. Step 2: Convert to fraction form
    3,030.54/4,181.40 = 1,851.18/x
  3. Step 3: Cross multiply
    3,030.54x = 4,181.40 × 1,851.18
  4. Step 4: Simplify right side
    3,030.54x = 7,740,524.05
  5. Step 5: Solve for x
    x = 7,740,524.05/3,030.54
  6. Step 6: Final answer
    x = 2,554.17

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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.