Home / 1,326.42-1,829.52-1,033.20

Finding the Fourth Proportional to 1,326.42, 1,829.52 and 1,033.20

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Solution

The fourth proportional to 1,326.42, 1,829.52 and 1,033.20 is: 1,425.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326.42 : 1,829.52 = 1,033.20 : x
  2. Step 2: Convert to fraction form
    1,326.42/1,829.52 = 1,033.20/x
  3. Step 3: Cross multiply
    1,326.42x = 1,829.52 × 1,033.20
  4. Step 4: Simplify right side
    1,326.42x = 1,890,260.06
  5. Step 5: Solve for x
    x = 1,890,260.06/1,326.42
  6. Step 6: Final answer
    x = 1,425.08

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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.