Home / 5,624.16-7,758.96-3,761.76

Finding the Fourth Proportional to 5,624.16, 7,758.96 and 3,761.76

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Solution

The fourth proportional to 5,624.16, 7,758.96 and 3,761.76 is: 5,189.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,624.16 : 7,758.96 = 3,761.76 : x
  2. Step 2: Convert to fraction form
    5,624.16/7,758.96 = 3,761.76/x
  3. Step 3: Cross multiply
    5,624.16x = 7,758.96 × 3,761.76
  4. Step 4: Simplify right side
    5,624.16x = 29,187,345.37
  5. Step 5: Solve for x
    x = 29,187,345.37/5,624.16
  6. Step 6: Final answer
    x = 5,189.64

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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.