Home / 3,552.02-5,316.73-1,987.25

Finding the Fourth Proportional to 3,552.02, 5,316.73 and 1,987.25

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Solution

The fourth proportional to 3,552.02, 5,316.73 and 1,987.25 is: 2,974.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,552.02 : 5,316.73 = 1,987.25 : x
  2. Step 2: Convert to fraction form
    3,552.02/5,316.73 = 1,987.25/x
  3. Step 3: Cross multiply
    3,552.02x = 5,316.73 × 1,987.25
  4. Step 4: Simplify right side
    3,552.02x = 10,565,671.69
  5. Step 5: Solve for x
    x = 10,565,671.69/3,552.02
  6. Step 6: Final answer
    x = 2,974.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.