Home / 3,349.23-4,621.91-1,857.13

Finding the Fourth Proportional to 3,349.23, 4,621.91 and 1,857.13

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Solution

The fourth proportional to 3,349.23, 4,621.91 and 1,857.13 is: 2,562.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,349.23 : 4,621.91 = 1,857.13 : x
  2. Step 2: Convert to fraction form
    3,349.23/4,621.91 = 1,857.13/x
  3. Step 3: Cross multiply
    3,349.23x = 4,621.91 × 1,857.13
  4. Step 4: Simplify right side
    3,349.23x = 8,583,487.72
  5. Step 5: Solve for x
    x = 8,583,487.72/3,349.23
  6. Step 6: Final answer
    x = 2,562.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.