Home / 5,287.88-7,297.20-3,298.29

Finding the Fourth Proportional to 5,287.88, 7,297.20 and 3,298.29

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Solution

The fourth proportional to 5,287.88, 7,297.20 and 3,298.29 is: 4,551.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.88 : 7,297.20 = 3,298.29 : x
  2. Step 2: Convert to fraction form
    5,287.88/7,297.20 = 3,298.29/x
  3. Step 3: Cross multiply
    5,287.88x = 7,297.20 × 3,298.29
  4. Step 4: Simplify right side
    5,287.88x = 24,068,281.79
  5. Step 5: Solve for x
    x = 24,068,281.79/5,287.88
  6. Step 6: Final answer
    x = 4,551.60

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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.