Home / 5,246.50-7,240.17-2,888.63

Finding the Fourth Proportional to 5,246.50, 7,240.17 and 2,888.63

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Solution

The fourth proportional to 5,246.50, 7,240.17 and 2,888.63 is: 3,986.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246.50 : 7,240.17 = 2,888.63 : x
  2. Step 2: Convert to fraction form
    5,246.50/7,240.17 = 2,888.63/x
  3. Step 3: Cross multiply
    5,246.50x = 7,240.17 × 2,888.63
  4. Step 4: Simplify right side
    5,246.50x = 20,914,172.27
  5. Step 5: Solve for x
    x = 20,914,172.27/5,246.50
  6. Step 6: Final answer
    x = 3,986.31

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Double scale
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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.