Home / 5,079.45-7,009.98-2,841.53

Finding the Fourth Proportional to 5,079.45, 7,009.98 and 2,841.53

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Solution

The fourth proportional to 5,079.45, 7,009.98 and 2,841.53 is: 3,921.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.45 : 7,009.98 = 2,841.53 : x
  2. Step 2: Convert to fraction form
    5,079.45/7,009.98 = 2,841.53/x
  3. Step 3: Cross multiply
    5,079.45x = 7,009.98 × 2,841.53
  4. Step 4: Simplify right side
    5,079.45x = 19,919,074.18
  5. Step 5: Solve for x
    x = 19,919,074.18/5,079.45
  6. Step 6: Final answer
    x = 3,921.50

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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.