Home / 4,188.37-5,780.75-2,772.08

Finding the Fourth Proportional to 4,188.37, 5,780.75 and 2,772.08

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Solution

The fourth proportional to 4,188.37, 5,780.75 and 2,772.08 is: 3,826.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.37 : 5,780.75 = 2,772.08 : x
  2. Step 2: Convert to fraction form
    4,188.37/5,780.75 = 2,772.08/x
  3. Step 3: Cross multiply
    4,188.37x = 5,780.75 × 2,772.08
  4. Step 4: Simplify right side
    4,188.37x = 16,024,701.46
  5. Step 5: Solve for x
    x = 16,024,701.46/4,188.37
  6. Step 6: Final answer
    x = 3,826.00

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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.