Home / 1,932.55-2,666.91-1,048.35

Finding the Fourth Proportional to 1,932.55, 2,666.91 and 1,048.35

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Solution

The fourth proportional to 1,932.55, 2,666.91 and 1,048.35 is: 1,446.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932.55 : 2,666.91 = 1,048.35 : x
  2. Step 2: Convert to fraction form
    1,932.55/2,666.91 = 1,048.35/x
  3. Step 3: Cross multiply
    1,932.55x = 2,666.91 × 1,048.35
  4. Step 4: Simplify right side
    1,932.55x = 2,795,855.10
  5. Step 5: Solve for x
    x = 2,795,855.10/1,932.55
  6. Step 6: Final answer
    x = 1,446.72

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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.