Home / 2,877.95-4,313.55-2,847.17

Finding the Fourth Proportional to 2,877.95, 4,313.55 and 2,847.17

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Solution

The fourth proportional to 2,877.95, 4,313.55 and 2,847.17 is: 4,267.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.95 : 4,313.55 = 2,847.17 : x
  2. Step 2: Convert to fraction form
    2,877.95/4,313.55 = 2,847.17/x
  3. Step 3: Cross multiply
    2,877.95x = 4,313.55 × 2,847.17
  4. Step 4: Simplify right side
    2,877.95x = 12,281,410.15
  5. Step 5: Solve for x
    x = 12,281,410.15/2,877.95
  6. Step 6: Final answer
    x = 4,267.42

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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.