Home / 4,070.91-5,615.28-2,579.70

Finding the Fourth Proportional to 4,070.91, 5,615.28 and 2,579.70

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Solution

The fourth proportional to 4,070.91, 5,615.28 and 2,579.70 is: 3,558.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,070.91 : 5,615.28 = 2,579.70 : x
  2. Step 2: Convert to fraction form
    4,070.91/5,615.28 = 2,579.70/x
  3. Step 3: Cross multiply
    4,070.91x = 5,615.28 × 2,579.70
  4. Step 4: Simplify right side
    4,070.91x = 14,485,737.82
  5. Step 5: Solve for x
    x = 14,485,737.82/4,070.91
  6. Step 6: Final answer
    x = 3,558.35

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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.