Home / 3,318.95-4,577.10-2,184.14

Finding the Fourth Proportional to 3,318.95, 4,577.10 and 2,184.14

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Solution

The fourth proportional to 3,318.95, 4,577.10 and 2,184.14 is: 3,012.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.95 : 4,577.10 = 2,184.14 : x
  2. Step 2: Convert to fraction form
    3,318.95/4,577.10 = 2,184.14/x
  3. Step 3: Cross multiply
    3,318.95x = 4,577.10 × 2,184.14
  4. Step 4: Simplify right side
    3,318.95x = 9,997,027.19
  5. Step 5: Solve for x
    x = 9,997,027.19/3,318.95
  6. Step 6: Final answer
    x = 3,012.11

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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.