Home / 5,403.68-8,106.90-1,508.10

Finding the Fourth Proportional to 5,403.68, 8,106.90 and 1,508.10

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Solution

The fourth proportional to 5,403.68, 8,106.90 and 1,508.10 is: 2,262.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.68 : 8,106.90 = 1,508.10 : x
  2. Step 2: Convert to fraction form
    5,403.68/8,106.90 = 1,508.10/x
  3. Step 3: Cross multiply
    5,403.68x = 8,106.90 × 1,508.10
  4. Step 4: Simplify right side
    5,403.68x = 12,226,015.89
  5. Step 5: Solve for x
    x = 12,226,015.89/5,403.68
  6. Step 6: Final answer
    x = 2,262.54

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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.