Home / 5,359.50-8,036.38-1,660.74

Finding the Fourth Proportional to 5,359.50, 8,036.38 and 1,660.74

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Solution

The fourth proportional to 5,359.50, 8,036.38 and 1,660.74 is: 2,490.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,359.50 : 8,036.38 = 1,660.74 : x
  2. Step 2: Convert to fraction form
    5,359.50/8,036.38 = 1,660.74/x
  3. Step 3: Cross multiply
    5,359.50x = 8,036.38 × 1,660.74
  4. Step 4: Simplify right side
    5,359.50x = 13,346,337.72
  5. Step 5: Solve for x
    x = 13,346,337.72/5,359.50
  6. Step 6: Final answer
    x = 2,490.22

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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.