Home / 5,542.64-8,317.56-2,947.40

Finding the Fourth Proportional to 5,542.64, 8,317.56 and 2,947.40

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Solution

The fourth proportional to 5,542.64, 8,317.56 and 2,947.40 is: 4,423.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,542.64 : 8,317.56 = 2,947.40 : x
  2. Step 2: Convert to fraction form
    5,542.64/8,317.56 = 2,947.40/x
  3. Step 3: Cross multiply
    5,542.64x = 8,317.56 × 2,947.40
  4. Step 4: Simplify right side
    5,542.64x = 24,515,176.34
  5. Step 5: Solve for x
    x = 24,515,176.34/5,542.64
  6. Step 6: Final answer
    x = 4,423.01

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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.