Home / 5,188.59-7,159.86-2,950.70

Finding the Fourth Proportional to 5,188.59, 7,159.86 and 2,950.70

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Solution

The fourth proportional to 5,188.59, 7,159.86 and 2,950.70 is: 4,071.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188.59 : 7,159.86 = 2,950.70 : x
  2. Step 2: Convert to fraction form
    5,188.59/7,159.86 = 2,950.70/x
  3. Step 3: Cross multiply
    5,188.59x = 7,159.86 × 2,950.70
  4. Step 4: Simplify right side
    5,188.59x = 21,126,563.10
  5. Step 5: Solve for x
    x = 21,126,563.10/5,188.59
  6. Step 6: Final answer
    x = 4,071.73

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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.