Home / 5,253.84-7,876.60-3,605.48

Finding the Fourth Proportional to 5,253.84, 7,876.60 and 3,605.48

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Solution

The fourth proportional to 5,253.84, 7,876.60 and 3,605.48 is: 5,405.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253.84 : 7,876.60 = 3,605.48 : x
  2. Step 2: Convert to fraction form
    5,253.84/7,876.60 = 3,605.48/x
  3. Step 3: Cross multiply
    5,253.84x = 7,876.60 × 3,605.48
  4. Step 4: Simplify right side
    5,253.84x = 28,398,923.77
  5. Step 5: Solve for x
    x = 28,398,923.77/5,253.84
  6. Step 6: Final answer
    x = 5,405.37

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1.5x scale

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.