Home / 5,471.63-8,208.66-1,575.72

Finding the Fourth Proportional to 5,471.63, 8,208.66 and 1,575.72

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Solution

The fourth proportional to 5,471.63, 8,208.66 and 1,575.72 is: 2,363.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471.63 : 8,208.66 = 1,575.72 : x
  2. Step 2: Convert to fraction form
    5,471.63/8,208.66 = 1,575.72/x
  3. Step 3: Cross multiply
    5,471.63x = 8,208.66 × 1,575.72
  4. Step 4: Simplify right side
    5,471.63x = 12,934,549.74
  5. Step 5: Solve for x
    x = 12,934,549.74/5,471.63
  6. Step 6: Final answer
    x = 2,363.93

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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.