Home / 3,291.12-4,541.81-1,799.10

Finding the Fourth Proportional to 3,291.12, 4,541.81 and 1,799.10

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Solution

The fourth proportional to 3,291.12, 4,541.81 and 1,799.10 is: 2,482.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.12 : 4,541.81 = 1,799.10 : x
  2. Step 2: Convert to fraction form
    3,291.12/4,541.81 = 1,799.10/x
  3. Step 3: Cross multiply
    3,291.12x = 4,541.81 × 1,799.10
  4. Step 4: Simplify right side
    3,291.12x = 8,171,161.38
  5. Step 5: Solve for x
    x = 8,171,161.38/3,291.12
  6. Step 6: Final answer
    x = 2,482.79

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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.