Home / 5,281.98-7,287.75-3,184.62

Finding the Fourth Proportional to 5,281.98, 7,287.75 and 3,184.62

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Solution

The fourth proportional to 5,281.98, 7,287.75 and 3,184.62 is: 4,393.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.98 : 7,287.75 = 3,184.62 : x
  2. Step 2: Convert to fraction form
    5,281.98/7,287.75 = 3,184.62/x
  3. Step 3: Cross multiply
    5,281.98x = 7,287.75 × 3,184.62
  4. Step 4: Simplify right side
    5,281.98x = 23,208,714.41
  5. Step 5: Solve for x
    x = 23,208,714.41/5,281.98
  6. Step 6: Final answer
    x = 4,393.94

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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.