Home / 4,038.12-5,571.18-2,641.68

Finding the Fourth Proportional to 4,038.12, 5,571.18 and 2,641.68

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Solution

The fourth proportional to 4,038.12, 5,571.18 and 2,641.68 is: 3,644.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,038.12 : 5,571.18 = 2,641.68 : x
  2. Step 2: Convert to fraction form
    4,038.12/5,571.18 = 2,641.68/x
  3. Step 3: Cross multiply
    4,038.12x = 5,571.18 × 2,641.68
  4. Step 4: Simplify right side
    4,038.12x = 14,717,274.78
  5. Step 5: Solve for x
    x = 14,717,274.78/4,038.12
  6. Step 6: Final answer
    x = 3,644.59

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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.