Home / 5,246.34-7,240.06-2,888.50

Finding the Fourth Proportional to 5,246.34, 7,240.06 and 2,888.50

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Solution

The fourth proportional to 5,246.34, 7,240.06 and 2,888.50 is: 3,986.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246.34 : 7,240.06 = 2,888.50 : x
  2. Step 2: Convert to fraction form
    5,246.34/7,240.06 = 2,888.50/x
  3. Step 3: Cross multiply
    5,246.34x = 7,240.06 × 2,888.50
  4. Step 4: Simplify right side
    5,246.34x = 20,912,913.31
  5. Step 5: Solve for x
    x = 20,912,913.31/5,246.34
  6. Step 6: Final answer
    x = 3,986.19

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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.