Home / 5,246.22-7,239.78-2,888.36

Finding the Fourth Proportional to 5,246.22, 7,239.78 and 2,888.36

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Solution

The fourth proportional to 5,246.22, 7,239.78 and 2,888.36 is: 3,985.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246.22 : 7,239.78 = 2,888.36 : x
  2. Step 2: Convert to fraction form
    5,246.22/7,239.78 = 2,888.36/x
  3. Step 3: Cross multiply
    5,246.22x = 7,239.78 × 2,888.36
  4. Step 4: Simplify right side
    5,246.22x = 20,911,072.77
  5. Step 5: Solve for x
    x = 20,911,072.77/5,246.22
  6. Step 6: Final answer
    x = 3,985.93

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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.