Home / 3,903.70-5,387.62-2,510.50

Finding the Fourth Proportional to 3,903.70, 5,387.62 and 2,510.50

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Solution

The fourth proportional to 3,903.70, 5,387.62 and 2,510.50 is: 3,464.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903.70 : 5,387.62 = 2,510.50 : x
  2. Step 2: Convert to fraction form
    3,903.70/5,387.62 = 2,510.50/x
  3. Step 3: Cross multiply
    3,903.70x = 5,387.62 × 2,510.50
  4. Step 4: Simplify right side
    3,903.70x = 13,525,593.07
  5. Step 5: Solve for x
    x = 13,525,593.07/3,903.70
  6. Step 6: Final answer
    x = 3,464.82

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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.