Home / 5,159.85-7,113.54-3,544.71

Finding the Fourth Proportional to 5,159.85, 7,113.54 and 3,544.71

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Solution

The fourth proportional to 5,159.85, 7,113.54 and 3,544.71 is: 4,886.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,159.85 : 7,113.54 = 3,544.71 : x
  2. Step 2: Convert to fraction form
    5,159.85/7,113.54 = 3,544.71/x
  3. Step 3: Cross multiply
    5,159.85x = 7,113.54 × 3,544.71
  4. Step 4: Simplify right side
    5,159.85x = 25,215,436.37
  5. Step 5: Solve for x
    x = 25,215,436.37/5,159.85
  6. Step 6: Final answer
    x = 4,886.85

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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.