Home / 5,132.84-7,080.50-3,036.56

Finding the Fourth Proportional to 5,132.84, 7,080.50 and 3,036.56

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Solution

The fourth proportional to 5,132.84, 7,080.50 and 3,036.56 is: 4,188.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.84 : 7,080.50 = 3,036.56 : x
  2. Step 2: Convert to fraction form
    5,132.84/7,080.50 = 3,036.56/x
  3. Step 3: Cross multiply
    5,132.84x = 7,080.50 × 3,036.56
  4. Step 4: Simplify right side
    5,132.84x = 21,500,363.08
  5. Step 5: Solve for x
    x = 21,500,363.08/5,132.84
  6. Step 6: Final answer
    x = 4,188.78

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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.