Home / 5,624.59-7,761.84-3,106.70

Finding the Fourth Proportional to 5,624.59, 7,761.84 and 3,106.70

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Solution

The fourth proportional to 5,624.59, 7,761.84 and 3,106.70 is: 4,287.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,624.59 : 7,761.84 = 3,106.70 : x
  2. Step 2: Convert to fraction form
    5,624.59/7,761.84 = 3,106.70/x
  3. Step 3: Cross multiply
    5,624.59x = 7,761.84 × 3,106.70
  4. Step 4: Simplify right side
    5,624.59x = 24,113,708.33
  5. Step 5: Solve for x
    x = 24,113,708.33/5,624.59
  6. Step 6: Final answer
    x = 4,287.19

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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.