Home / 2,916.19-4,383.33-1,686.07

Finding the Fourth Proportional to 2,916.19, 4,383.33 and 1,686.07

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Solution

The fourth proportional to 2,916.19, 4,383.33 and 1,686.07 is: 2,534.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.19 : 4,383.33 = 1,686.07 : x
  2. Step 2: Convert to fraction form
    2,916.19/4,383.33 = 1,686.07/x
  3. Step 3: Cross multiply
    2,916.19x = 4,383.33 × 1,686.07
  4. Step 4: Simplify right side
    2,916.19x = 7,390,601.21
  5. Step 5: Solve for x
    x = 7,390,601.21/2,916.19
  6. Step 6: Final answer
    x = 2,534.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.