Home / 4,151.70-5,729.13-2,579.76

Finding the Fourth Proportional to 4,151.70, 5,729.13 and 2,579.76

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Solution

The fourth proportional to 4,151.70, 5,729.13 and 2,579.76 is: 3,559.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,151.70 : 5,729.13 = 2,579.76 : x
  2. Step 2: Convert to fraction form
    4,151.70/5,729.13 = 2,579.76/x
  3. Step 3: Cross multiply
    4,151.70x = 5,729.13 × 2,579.76
  4. Step 4: Simplify right side
    4,151.70x = 14,779,780.41
  5. Step 5: Solve for x
    x = 14,779,780.41/4,151.70
  6. Step 6: Final answer
    x = 3,559.93

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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.