Home / 5,074.17-7,001.87-3,185.15

Finding the Fourth Proportional to 5,074.17, 7,001.87 and 3,185.15

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Solution

The fourth proportional to 5,074.17, 7,001.87 and 3,185.15 is: 4,395.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,074.17 : 7,001.87 = 3,185.15 : x
  2. Step 2: Convert to fraction form
    5,074.17/7,001.87 = 3,185.15/x
  3. Step 3: Cross multiply
    5,074.17x = 7,001.87 × 3,185.15
  4. Step 4: Simplify right side
    5,074.17x = 22,301,994.68
  5. Step 5: Solve for x
    x = 22,301,994.68/5,074.17
  6. Step 6: Final answer
    x = 4,395.20

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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.