Home / 4,123.36-6,187.80-2,275.84

Finding the Fourth Proportional to 4,123.36, 6,187.80 and 2,275.84

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Solution

The fourth proportional to 4,123.36, 6,187.80 and 2,275.84 is: 3,415.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.36 : 6,187.80 = 2,275.84 : x
  2. Step 2: Convert to fraction form
    4,123.36/6,187.80 = 2,275.84/x
  3. Step 3: Cross multiply
    4,123.36x = 6,187.80 × 2,275.84
  4. Step 4: Simplify right side
    4,123.36x = 14,082,442.75
  5. Step 5: Solve for x
    x = 14,082,442.75/4,123.36
  6. Step 6: Final answer
    x = 3,415.28

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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.