Home / 6,557.20-9,048.21-3,904.09

Finding the Fourth Proportional to 6,557.20, 9,048.21 and 3,904.09

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Solution

The fourth proportional to 6,557.20, 9,048.21 and 3,904.09 is: 5,387.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,557.20 : 9,048.21 = 3,904.09 : x
  2. Step 2: Convert to fraction form
    6,557.20/9,048.21 = 3,904.09/x
  3. Step 3: Cross multiply
    6,557.20x = 9,048.21 × 3,904.09
  4. Step 4: Simplify right side
    6,557.20x = 35,325,026.18
  5. Step 5: Solve for x
    x = 35,325,026.18/6,557.20
  6. Step 6: Final answer
    x = 5,387.21

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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.