Home / 5,718.04-7,890.67-3,200.26

Finding the Fourth Proportional to 5,718.04, 7,890.67 and 3,200.26

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Solution

The fourth proportional to 5,718.04, 7,890.67 and 3,200.26 is: 4,416.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718.04 : 7,890.67 = 3,200.26 : x
  2. Step 2: Convert to fraction form
    5,718.04/7,890.67 = 3,200.26/x
  3. Step 3: Cross multiply
    5,718.04x = 7,890.67 × 3,200.26
  4. Step 4: Simplify right side
    5,718.04x = 25,252,176.64
  5. Step 5: Solve for x
    x = 25,252,176.64/5,718.04
  6. Step 6: Final answer
    x = 4,416.23

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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.