Home / 4,220.10-6,322.50-2,025.72

Finding the Fourth Proportional to 4,220.10, 6,322.50 and 2,025.72

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Solution

The fourth proportional to 4,220.10, 6,322.50 and 2,025.72 is: 3,034.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.10 : 6,322.50 = 2,025.72 : x
  2. Step 2: Convert to fraction form
    4,220.10/6,322.50 = 2,025.72/x
  3. Step 3: Cross multiply
    4,220.10x = 6,322.50 × 2,025.72
  4. Step 4: Simplify right side
    4,220.10x = 12,807,614.70
  5. Step 5: Solve for x
    x = 12,807,614.70/4,220.10
  6. Step 6: Final answer
    x = 3,034.91

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Double scale
Find fourth proportional to 4,221.10, 6,324 and 2,026.72
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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.