Home / 5,288.45-7,294.76-3,402.49

Finding the Fourth Proportional to 5,288.45, 7,294.76 and 3,402.49

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Solution

The fourth proportional to 5,288.45, 7,294.76 and 3,402.49 is: 4,693.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.45 : 7,294.76 = 3,402.49 : x
  2. Step 2: Convert to fraction form
    5,288.45/7,294.76 = 3,402.49/x
  3. Step 3: Cross multiply
    5,288.45x = 7,294.76 × 3,402.49
  4. Step 4: Simplify right side
    5,288.45x = 24,820,339.14
  5. Step 5: Solve for x
    x = 24,820,339.14/5,288.45
  6. Step 6: Final answer
    x = 4,693.31

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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.