Home / 5,399.43-7,427.79-4,402.53

Finding the Fourth Proportional to 5,399.43, 7,427.79 and 4,402.53

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Solution

The fourth proportional to 5,399.43, 7,427.79 and 4,402.53 is: 6,056.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,399.43 : 7,427.79 = 4,402.53 : x
  2. Step 2: Convert to fraction form
    5,399.43/7,427.79 = 4,402.53/x
  3. Step 3: Cross multiply
    5,399.43x = 7,427.79 × 4,402.53
  4. Step 4: Simplify right side
    5,399.43x = 32,701,068.31
  5. Step 5: Solve for x
    x = 32,701,068.31/5,399.43
  6. Step 6: Final answer
    x = 6,056.39

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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.