Home / 5,246.83-7,240.36-2,888.92

Finding the Fourth Proportional to 5,246.83, 7,240.36 and 2,888.92

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Solution

The fourth proportional to 5,246.83, 7,240.36 and 2,888.92 is: 3,986.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246.83 : 7,240.36 = 2,888.92 : x
  2. Step 2: Convert to fraction form
    5,246.83/7,240.36 = 2,888.92/x
  3. Step 3: Cross multiply
    5,246.83x = 7,240.36 × 2,888.92
  4. Step 4: Simplify right side
    5,246.83x = 20,916,820.81
  5. Step 5: Solve for x
    x = 20,916,820.81/5,246.83
  6. Step 6: Final answer
    x = 3,986.56

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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.