Home / 5,055.58-6,972.72-3,287.74

Finding the Fourth Proportional to 5,055.58, 6,972.72 and 3,287.74

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Solution

The fourth proportional to 5,055.58, 6,972.72 and 3,287.74 is: 4,534.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055.58 : 6,972.72 = 3,287.74 : x
  2. Step 2: Convert to fraction form
    5,055.58/6,972.72 = 3,287.74/x
  3. Step 3: Cross multiply
    5,055.58x = 6,972.72 × 3,287.74
  4. Step 4: Simplify right side
    5,055.58x = 22,924,490.45
  5. Step 5: Solve for x
    x = 22,924,490.45/5,055.58
  6. Step 6: Final answer
    x = 4,534.49

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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.