Home / 3,133.10-4,322.66-1,857.08

Finding the Fourth Proportional to 3,133.10, 4,322.66 and 1,857.08

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Solution

The fourth proportional to 3,133.10, 4,322.66 and 1,857.08 is: 2,562.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.10 : 4,322.66 = 1,857.08 : x
  2. Step 2: Convert to fraction form
    3,133.10/4,322.66 = 1,857.08/x
  3. Step 3: Cross multiply
    3,133.10x = 4,322.66 × 1,857.08
  4. Step 4: Simplify right side
    3,133.10x = 8,027,494.53
  5. Step 5: Solve for x
    x = 8,027,494.53/3,133.10
  6. Step 6: Final answer
    x = 2,562.16

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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.