Home / 4,268.58-6,400.20-1,802.10

Finding the Fourth Proportional to 4,268.58, 6,400.20 and 1,802.10

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Solution

The fourth proportional to 4,268.58, 6,400.20 and 1,802.10 is: 2,702.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268.58 : 6,400.20 = 1,802.10 : x
  2. Step 2: Convert to fraction form
    4,268.58/6,400.20 = 1,802.10/x
  3. Step 3: Cross multiply
    4,268.58x = 6,400.20 × 1,802.10
  4. Step 4: Simplify right side
    4,268.58x = 11,533,800.42
  5. Step 5: Solve for x
    x = 11,533,800.42/4,268.58
  6. Step 6: Final answer
    x = 2,702.02

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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.