Home / 3,133.32-4,324.06-1,807.08

Finding the Fourth Proportional to 3,133.32, 4,324.06 and 1,807.08

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Solution

The fourth proportional to 3,133.32, 4,324.06 and 1,807.08 is: 2,493.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.32 : 4,324.06 = 1,807.08 : x
  2. Step 2: Convert to fraction form
    3,133.32/4,324.06 = 1,807.08/x
  3. Step 3: Cross multiply
    3,133.32x = 4,324.06 × 1,807.08
  4. Step 4: Simplify right side
    3,133.32x = 7,813,922.34
  5. Step 5: Solve for x
    x = 7,813,922.34/3,133.32
  6. Step 6: Final answer
    x = 2,493.82

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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.