Home / 3,111.08-4,666.46-1,572.04

Finding the Fourth Proportional to 3,111.08, 4,666.46 and 1,572.04

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Solution

The fourth proportional to 3,111.08, 4,666.46 and 1,572.04 is: 2,357.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111.08 : 4,666.46 = 1,572.04 : x
  2. Step 2: Convert to fraction form
    3,111.08/4,666.46 = 1,572.04/x
  3. Step 3: Cross multiply
    3,111.08x = 4,666.46 × 1,572.04
  4. Step 4: Simplify right side
    3,111.08x = 7,335,861.78
  5. Step 5: Solve for x
    x = 7,335,861.78/3,111.08
  6. Step 6: Final answer
    x = 2,357.98

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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.