Home / 5,121.74-7,069.98-4,003.04

Finding the Fourth Proportional to 5,121.74, 7,069.98 and 4,003.04

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Solution

The fourth proportional to 5,121.74, 7,069.98 and 4,003.04 is: 5,525.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,121.74 : 7,069.98 = 4,003.04 : x
  2. Step 2: Convert to fraction form
    5,121.74/7,069.98 = 4,003.04/x
  3. Step 3: Cross multiply
    5,121.74x = 7,069.98 × 4,003.04
  4. Step 4: Simplify right side
    5,121.74x = 28,301,405.07
  5. Step 5: Solve for x
    x = 28,301,405.07/5,121.74
  6. Step 6: Final answer
    x = 5,525.74

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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.