Home / 2,977.83-4,114.35-2,353.15

Finding the Fourth Proportional to 2,977.83, 4,114.35 and 2,353.15

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Solution

The fourth proportional to 2,977.83, 4,114.35 and 2,353.15 is: 3,251.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.83 : 4,114.35 = 2,353.15 : x
  2. Step 2: Convert to fraction form
    2,977.83/4,114.35 = 2,353.15/x
  3. Step 3: Cross multiply
    2,977.83x = 4,114.35 × 2,353.15
  4. Step 4: Simplify right side
    2,977.83x = 9,681,650.37
  5. Step 5: Solve for x
    x = 9,681,650.37/2,977.83
  6. Step 6: Final answer
    x = 3,251.25

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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.