Home / 5,290.40-7,301.10-3,052.37

Finding the Fourth Proportional to 5,290.40, 7,301.10 and 3,052.37

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Solution

The fourth proportional to 5,290.40, 7,301.10 and 3,052.37 is: 4,212.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,290.40 : 7,301.10 = 3,052.37 : x
  2. Step 2: Convert to fraction form
    5,290.40/7,301.10 = 3,052.37/x
  3. Step 3: Cross multiply
    5,290.40x = 7,301.10 × 3,052.37
  4. Step 4: Simplify right side
    5,290.40x = 22,285,658.61
  5. Step 5: Solve for x
    x = 22,285,658.61/5,290.40
  6. Step 6: Final answer
    x = 4,212.47

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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.