Home / 5,283.12-7,289.88-3,045.08

Finding the Fourth Proportional to 5,283.12, 7,289.88 and 3,045.08

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Solution

The fourth proportional to 5,283.12, 7,289.88 and 3,045.08 is: 4,201.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,283.12 : 7,289.88 = 3,045.08 : x
  2. Step 2: Convert to fraction form
    5,283.12/7,289.88 = 3,045.08/x
  3. Step 3: Cross multiply
    5,283.12x = 7,289.88 × 3,045.08
  4. Step 4: Simplify right side
    5,283.12x = 22,198,267.79
  5. Step 5: Solve for x
    x = 22,198,267.79/5,283.12
  6. Step 6: Final answer
    x = 4,201.73

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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.