Home / 5,574.21-8,360.77-1,876.45

Finding the Fourth Proportional to 5,574.21, 8,360.77 and 1,876.45

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Solution

The fourth proportional to 5,574.21, 8,360.77 and 1,876.45 is: 2,814.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,574.21 : 8,360.77 = 1,876.45 : x
  2. Step 2: Convert to fraction form
    5,574.21/8,360.77 = 1,876.45/x
  3. Step 3: Cross multiply
    5,574.21x = 8,360.77 × 1,876.45
  4. Step 4: Simplify right side
    5,574.21x = 15,688,566.87
  5. Step 5: Solve for x
    x = 15,688,566.87/5,574.21
  6. Step 6: Final answer
    x = 2,814.49

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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.