Home / 5,125.02-7,677.50-2,661.46

Finding the Fourth Proportional to 5,125.02, 7,677.50 and 2,661.46

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Solution

The fourth proportional to 5,125.02, 7,677.50 and 2,661.46 is: 3,986.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.02 : 7,677.50 = 2,661.46 : x
  2. Step 2: Convert to fraction form
    5,125.02/7,677.50 = 2,661.46/x
  3. Step 3: Cross multiply
    5,125.02x = 7,677.50 × 2,661.46
  4. Step 4: Simplify right side
    5,125.02x = 20,433,359.15
  5. Step 5: Solve for x
    x = 20,433,359.15/5,125.02
  6. Step 6: Final answer
    x = 3,986.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.