Home / 2,459.22-3,686.55-998.10

Finding the Fourth Proportional to 2,459.22, 3,686.55 and 998.10

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Solution

The fourth proportional to 2,459.22, 3,686.55 and 998.10 is: 1,496.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,459.22 : 3,686.55 = 998.10 : x
  2. Step 2: Convert to fraction form
    2,459.22/3,686.55 = 998.10/x
  3. Step 3: Cross multiply
    2,459.22x = 3,686.55 × 998.10
  4. Step 4: Simplify right side
    2,459.22x = 3,679,545.56
  5. Step 5: Solve for x
    x = 3,679,545.56/2,459.22
  6. Step 6: Final answer
    x = 1,496.22

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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.