Home / 4,038.19-5,572.77-2,640.94

Finding the Fourth Proportional to 4,038.19, 5,572.77 and 2,640.94

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Solution

The fourth proportional to 4,038.19, 5,572.77 and 2,640.94 is: 3,644.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,038.19 : 5,572.77 = 2,640.94 : x
  2. Step 2: Convert to fraction form
    4,038.19/5,572.77 = 2,640.94/x
  3. Step 3: Cross multiply
    4,038.19x = 5,572.77 × 2,640.94
  4. Step 4: Simplify right side
    4,038.19x = 14,717,327.37
  5. Step 5: Solve for x
    x = 14,717,327.37/4,038.19
  6. Step 6: Final answer
    x = 3,644.54

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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.