Home / 5,505.36-7,597.31-2,987.47

Finding the Fourth Proportional to 5,505.36, 7,597.31 and 2,987.47

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Solution

The fourth proportional to 5,505.36, 7,597.31 and 2,987.47 is: 4,122.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505.36 : 7,597.31 = 2,987.47 : x
  2. Step 2: Convert to fraction form
    5,505.36/7,597.31 = 2,987.47/x
  3. Step 3: Cross multiply
    5,505.36x = 7,597.31 × 2,987.47
  4. Step 4: Simplify right side
    5,505.36x = 22,696,735.71
  5. Step 5: Solve for x
    x = 22,696,735.71/5,505.36
  6. Step 6: Final answer
    x = 4,122.66

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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.