Home / 7,062.20-9,745.51-3,875.43

Finding the Fourth Proportional to 7,062.20, 9,745.51 and 3,875.43

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Solution

The fourth proportional to 7,062.20, 9,745.51 and 3,875.43 is: 5,347.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,062.20 : 9,745.51 = 3,875.43 : x
  2. Step 2: Convert to fraction form
    7,062.20/9,745.51 = 3,875.43/x
  3. Step 3: Cross multiply
    7,062.20x = 9,745.51 × 3,875.43
  4. Step 4: Simplify right side
    7,062.20x = 37,767,995.59
  5. Step 5: Solve for x
    x = 37,767,995.59/7,062.20
  6. Step 6: Final answer
    x = 5,347.91

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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.