Home / 2,916.70-4,025.01-1,590.37

Finding the Fourth Proportional to 2,916.70, 4,025.01 and 1,590.37

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Solution

The fourth proportional to 2,916.70, 4,025.01 and 1,590.37 is: 2,194.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.70 : 4,025.01 = 1,590.37 : x
  2. Step 2: Convert to fraction form
    2,916.70/4,025.01 = 1,590.37/x
  3. Step 3: Cross multiply
    2,916.70x = 4,025.01 × 1,590.37
  4. Step 4: Simplify right side
    2,916.70x = 6,401,255.15
  5. Step 5: Solve for x
    x = 6,401,255.15/2,916.70
  6. Step 6: Final answer
    x = 2,194.69

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1.5x scale

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.