Home / 1,277.38-1,916.72-583.96

Finding the Fourth Proportional to 1,277.38, 1,916.72 and 583.96

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Solution

The fourth proportional to 1,277.38, 1,916.72 and 583.96 is: 876.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277.38 : 1,916.72 = 583.96 : x
  2. Step 2: Convert to fraction form
    1,277.38/1,916.72 = 583.96/x
  3. Step 3: Cross multiply
    1,277.38x = 1,916.72 × 583.96
  4. Step 4: Simplify right side
    1,277.38x = 1,119,287.81
  5. Step 5: Solve for x
    x = 1,119,287.81/1,277.38
  6. Step 6: Final answer
    x = 876.24

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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.