Home / 4,636.80-6,955.65-1,515.78

Finding the Fourth Proportional to 4,636.80, 6,955.65 and 1,515.78

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Solution

The fourth proportional to 4,636.80, 6,955.65 and 1,515.78 is: 2,273.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,636.80 : 6,955.65 = 1,515.78 : x
  2. Step 2: Convert to fraction form
    4,636.80/6,955.65 = 1,515.78/x
  3. Step 3: Cross multiply
    4,636.80x = 6,955.65 × 1,515.78
  4. Step 4: Simplify right side
    4,636.80x = 10,543,235.16
  5. Step 5: Solve for x
    x = 10,543,235.16/4,636.80
  6. Step 6: Final answer
    x = 2,273.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.