Home / 1,932.30-2,666.54-1,048.12

Finding the Fourth Proportional to 1,932.30, 2,666.54 and 1,048.12

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Solution

The fourth proportional to 1,932.30, 2,666.54 and 1,048.12 is: 1,446.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932.30 : 2,666.54 = 1,048.12 : x
  2. Step 2: Convert to fraction form
    1,932.30/2,666.54 = 1,048.12/x
  3. Step 3: Cross multiply
    1,932.30x = 2,666.54 × 1,048.12
  4. Step 4: Simplify right side
    1,932.30x = 2,794,849.86
  5. Step 5: Solve for x
    x = 2,794,849.86/1,932.30
  6. Step 6: Final answer
    x = 1,446.39

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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.