Home / 5,042.87-6,955.52-3,888.80

Finding the Fourth Proportional to 5,042.87, 6,955.52 and 3,888.80

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Solution

The fourth proportional to 5,042.87, 6,955.52 and 3,888.80 is: 5,363.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,042.87 : 6,955.52 = 3,888.80 : x
  2. Step 2: Convert to fraction form
    5,042.87/6,955.52 = 3,888.80/x
  3. Step 3: Cross multiply
    5,042.87x = 6,955.52 × 3,888.80
  4. Step 4: Simplify right side
    5,042.87x = 27,048,624.12
  5. Step 5: Solve for x
    x = 27,048,624.12/5,042.87
  6. Step 6: Final answer
    x = 5,363.73

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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.