Home / 5,088.16-7,631.68-1,624.96

Finding the Fourth Proportional to 5,088.16, 7,631.68 and 1,624.96

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Solution

The fourth proportional to 5,088.16, 7,631.68 and 1,624.96 is: 2,437.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,088.16 : 7,631.68 = 1,624.96 : x
  2. Step 2: Convert to fraction form
    5,088.16/7,631.68 = 1,624.96/x
  3. Step 3: Cross multiply
    5,088.16x = 7,631.68 × 1,624.96
  4. Step 4: Simplify right side
    5,088.16x = 12,401,174.73
  5. Step 5: Solve for x
    x = 12,401,174.73/5,088.16
  6. Step 6: Final answer
    x = 2,437.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.