Home / 5,548.10-7,656.39-3,311.00

Finding the Fourth Proportional to 5,548.10, 7,656.39 and 3,311.00

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Solution

The fourth proportional to 5,548.10, 7,656.39 and 3,311.00 is: 4,569.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,548.10 : 7,656.39 = 3,311.00 : x
  2. Step 2: Convert to fraction form
    5,548.10/7,656.39 = 3,311.00/x
  3. Step 3: Cross multiply
    5,548.10x = 7,656.39 × 3,311.00
  4. Step 4: Simplify right side
    5,548.10x = 25,350,269.01
  5. Step 5: Solve for x
    x = 25,350,269.01/5,548.10
  6. Step 6: Final answer
    x = 4,569.18

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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.