Home / 7,398.20-10,209.58-4,041.02

Finding the Fourth Proportional to 7,398.20, 10,209.58 and 4,041.02

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Solution

The fourth proportional to 7,398.20, 10,209.58 and 4,041.02 is: 5,576.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,398.20 : 10,209.58 = 4,041.02 : x
  2. Step 2: Convert to fraction form
    7,398.20/10,209.58 = 4,041.02/x
  3. Step 3: Cross multiply
    7,398.20x = 10,209.58 × 4,041.02
  4. Step 4: Simplify right side
    7,398.20x = 41,257,116.97
  5. Step 5: Solve for x
    x = 41,257,116.97/7,398.20
  6. Step 6: Final answer
    x = 5,576.64

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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.