Home / 4,077.61-5,619.38-2,956.57

Finding the Fourth Proportional to 4,077.61, 5,619.38 and 2,956.57

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Solution

The fourth proportional to 4,077.61, 5,619.38 and 2,956.57 is: 4,074.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.61 : 5,619.38 = 2,956.57 : x
  2. Step 2: Convert to fraction form
    4,077.61/5,619.38 = 2,956.57/x
  3. Step 3: Cross multiply
    4,077.61x = 5,619.38 × 2,956.57
  4. Step 4: Simplify right side
    4,077.61x = 16,614,061.50
  5. Step 5: Solve for x
    x = 16,614,061.50/4,077.61
  6. Step 6: Final answer
    x = 4,074.46

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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.