Home / 5,325.12-7,987.32-2,038.56

Finding the Fourth Proportional to 5,325.12, 7,987.32 and 2,038.56

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Solution

The fourth proportional to 5,325.12, 7,987.32 and 2,038.56 is: 3,057.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,325.12 : 7,987.32 = 2,038.56 : x
  2. Step 2: Convert to fraction form
    5,325.12/7,987.32 = 2,038.56/x
  3. Step 3: Cross multiply
    5,325.12x = 7,987.32 × 2,038.56
  4. Step 4: Simplify right side
    5,325.12x = 16,282,631.06
  5. Step 5: Solve for x
    x = 16,282,631.06/5,325.12
  6. Step 6: Final answer
    x = 3,057.70

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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.