Home / 3,545.10-4,892.70-2,425.64

Finding the Fourth Proportional to 3,545.10, 4,892.70 and 2,425.64

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Solution

The fourth proportional to 3,545.10, 4,892.70 and 2,425.64 is: 3,347.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.10 : 4,892.70 = 2,425.64 : x
  2. Step 2: Convert to fraction form
    3,545.10/4,892.70 = 2,425.64/x
  3. Step 3: Cross multiply
    3,545.10x = 4,892.70 × 2,425.64
  4. Step 4: Simplify right side
    3,545.10x = 11,867,904.36
  5. Step 5: Solve for x
    x = 11,867,904.36/3,545.10
  6. Step 6: Final answer
    x = 3,347.69

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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.