Home / 6,123.64-8,454.80-4,110.08

Finding the Fourth Proportional to 6,123.64, 8,454.80 and 4,110.08

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Solution

The fourth proportional to 6,123.64, 8,454.80 and 4,110.08 is: 5,674.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,123.64 : 8,454.80 = 4,110.08 : x
  2. Step 2: Convert to fraction form
    6,123.64/8,454.80 = 4,110.08/x
  3. Step 3: Cross multiply
    6,123.64x = 8,454.80 × 4,110.08
  4. Step 4: Simplify right side
    6,123.64x = 34,749,867.57
  5. Step 5: Solve for x
    x = 34,749,867.57/6,123.64
  6. Step 6: Final answer
    x = 5,674.71

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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.