Home / 4,187.32-5,778.38-2,298.89

Finding the Fourth Proportional to 4,187.32, 5,778.38 and 2,298.89

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Solution

The fourth proportional to 4,187.32, 5,778.38 and 2,298.89 is: 3,172.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.32 : 5,778.38 = 2,298.89 : x
  2. Step 2: Convert to fraction form
    4,187.32/5,778.38 = 2,298.89/x
  3. Step 3: Cross multiply
    4,187.32x = 5,778.38 × 2,298.89
  4. Step 4: Simplify right side
    4,187.32x = 13,283,880.19
  5. Step 5: Solve for x
    x = 13,283,880.19/4,187.32
  6. Step 6: Final answer
    x = 3,172.41

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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.