Home / 4,070.46-5,617.08-2,278.02

Finding the Fourth Proportional to 4,070.46, 5,617.08 and 2,278.02

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Solution

The fourth proportional to 4,070.46, 5,617.08 and 2,278.02 is: 3,143.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,070.46 : 5,617.08 = 2,278.02 : x
  2. Step 2: Convert to fraction form
    4,070.46/5,617.08 = 2,278.02/x
  3. Step 3: Cross multiply
    4,070.46x = 5,617.08 × 2,278.02
  4. Step 4: Simplify right side
    4,070.46x = 12,795,820.58
  5. Step 5: Solve for x
    x = 12,795,820.58/4,070.46
  6. Step 6: Final answer
    x = 3,143.58

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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.