Home / 5,505.38-7,597.35-2,987.49

Finding the Fourth Proportional to 5,505.38, 7,597.35 and 2,987.49

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Solution

The fourth proportional to 5,505.38, 7,597.35 and 2,987.49 is: 4,122.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505.38 : 7,597.35 = 2,987.49 : x
  2. Step 2: Convert to fraction form
    5,505.38/7,597.35 = 2,987.49/x
  3. Step 3: Cross multiply
    5,505.38x = 7,597.35 × 2,987.49
  4. Step 4: Simplify right side
    5,505.38x = 22,697,007.15
  5. Step 5: Solve for x
    x = 22,697,007.15/5,505.38
  6. Step 6: Final answer
    x = 4,122.70

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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.