Home / 1,232.30-1,699.27-966.25

Finding the Fourth Proportional to 1,232.30, 1,699.27 and 966.25

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Solution

The fourth proportional to 1,232.30, 1,699.27 and 966.25 is: 1,332.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232.30 : 1,699.27 = 966.25 : x
  2. Step 2: Convert to fraction form
    1,232.30/1,699.27 = 966.25/x
  3. Step 3: Cross multiply
    1,232.30x = 1,699.27 × 966.25
  4. Step 4: Simplify right side
    1,232.30x = 1,641,919.64
  5. Step 5: Solve for x
    x = 1,641,919.64/1,232.30
  6. Step 6: Final answer
    x = 1,332.40

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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.