Home / 5,261.92-7,261.65-2,903.98

Finding the Fourth Proportional to 5,261.92, 7,261.65 and 2,903.98

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Solution

The fourth proportional to 5,261.92, 7,261.65 and 2,903.98 is: 4,007.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.92 : 7,261.65 = 2,903.98 : x
  2. Step 2: Convert to fraction form
    5,261.92/7,261.65 = 2,903.98/x
  3. Step 3: Cross multiply
    5,261.92x = 7,261.65 × 2,903.98
  4. Step 4: Simplify right side
    5,261.92x = 21,087,686.37
  5. Step 5: Solve for x
    x = 21,087,686.37/5,261.92
  6. Step 6: Final answer
    x = 4,007.60

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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.