Home / 5,575.48-8,356.74-2,491

Finding the Fourth Proportional to 5,575.48, 8,356.74 and 2,491

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Solution

The fourth proportional to 5,575.48, 8,356.74 and 2,491 is: 3,733.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,575.48 : 8,356.74 = 2,491 : x
  2. Step 2: Convert to fraction form
    5,575.48/8,356.74 = 2,491/x
  3. Step 3: Cross multiply
    5,575.48x = 8,356.74 × 2,491
  4. Step 4: Simplify right side
    5,575.48x = 20,816,639.34
  5. Step 5: Solve for x
    x = 20,816,639.34/5,575.48
  6. Step 6: Final answer
    x = 3,733.60

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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.