Home / 4,070.72-5,617.64-2,207.76

Finding the Fourth Proportional to 4,070.72, 5,617.64 and 2,207.76

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Solution

The fourth proportional to 4,070.72, 5,617.64 and 2,207.76 is: 3,046.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,070.72 : 5,617.64 = 2,207.76 : x
  2. Step 2: Convert to fraction form
    4,070.72/5,617.64 = 2,207.76/x
  3. Step 3: Cross multiply
    4,070.72x = 5,617.64 × 2,207.76
  4. Step 4: Simplify right side
    4,070.72x = 12,402,400.89
  5. Step 5: Solve for x
    x = 12,402,400.89/4,070.72
  6. Step 6: Final answer
    x = 3,046.73

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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.