Home / 5,402.50-7,450.48-3,409.59

Finding the Fourth Proportional to 5,402.50, 7,450.48 and 3,409.59

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Solution

The fourth proportional to 5,402.50, 7,450.48 and 3,409.59 is: 4,702.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402.50 : 7,450.48 = 3,409.59 : x
  2. Step 2: Convert to fraction form
    5,402.50/7,450.48 = 3,409.59/x
  3. Step 3: Cross multiply
    5,402.50x = 7,450.48 × 3,409.59
  4. Step 4: Simplify right side
    5,402.50x = 25,403,114.30
  5. Step 5: Solve for x
    x = 25,403,114.30/5,402.50
  6. Step 6: Final answer
    x = 4,702.11

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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.