Home / 1,669.18-2,302.33-1,164.14

Finding the Fourth Proportional to 1,669.18, 2,302.33 and 1,164.14

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Solution

The fourth proportional to 1,669.18, 2,302.33 and 1,164.14 is: 1,605.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669.18 : 2,302.33 = 1,164.14 : x
  2. Step 2: Convert to fraction form
    1,669.18/2,302.33 = 1,164.14/x
  3. Step 3: Cross multiply
    1,669.18x = 2,302.33 × 1,164.14
  4. Step 4: Simplify right side
    1,669.18x = 2,680,228.63
  5. Step 5: Solve for x
    x = 2,680,228.63/1,669.18
  6. Step 6: Final answer
    x = 1,605.72

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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.