Home / 5,281.08-7,287.88-2,923.16

Finding the Fourth Proportional to 5,281.08, 7,287.88 and 2,923.16

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Solution

The fourth proportional to 5,281.08, 7,287.88 and 2,923.16 is: 4,033.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.08 : 7,287.88 = 2,923.16 : x
  2. Step 2: Convert to fraction form
    5,281.08/7,287.88 = 2,923.16/x
  3. Step 3: Cross multiply
    5,281.08x = 7,287.88 × 2,923.16
  4. Step 4: Simplify right side
    5,281.08x = 21,303,639.30
  5. Step 5: Solve for x
    x = 21,303,639.30/5,281.08
  6. Step 6: Final answer
    x = 4,033.96

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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.