Home / 5,405.03-7,458.58-3,047.12

Finding the Fourth Proportional to 5,405.03, 7,458.58 and 3,047.12

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Solution

The fourth proportional to 5,405.03, 7,458.58 and 3,047.12 is: 4,204.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405.03 : 7,458.58 = 3,047.12 : x
  2. Step 2: Convert to fraction form
    5,405.03/7,458.58 = 3,047.12/x
  3. Step 3: Cross multiply
    5,405.03x = 7,458.58 × 3,047.12
  4. Step 4: Simplify right side
    5,405.03x = 22,727,188.29
  5. Step 5: Solve for x
    x = 22,727,188.29/5,405.03
  6. Step 6: Final answer
    x = 4,204.82

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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.