Home / 2,916.96-4,025.40-1,590.54

Finding the Fourth Proportional to 2,916.96, 4,025.40 and 1,590.54

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Solution

The fourth proportional to 2,916.96, 4,025.40 and 1,590.54 is: 2,194.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.96 : 4,025.40 = 1,590.54 : x
  2. Step 2: Convert to fraction form
    2,916.96/4,025.40 = 1,590.54/x
  3. Step 3: Cross multiply
    2,916.96x = 4,025.40 × 1,590.54
  4. Step 4: Simplify right side
    2,916.96x = 6,402,559.72
  5. Step 5: Solve for x
    x = 6,402,559.72/2,916.96
  6. Step 6: Final answer
    x = 2,194.94

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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.