Home / 4,070.66-5,620.02-3,124.64

Finding the Fourth Proportional to 4,070.66, 5,620.02 and 3,124.64

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Solution

The fourth proportional to 4,070.66, 5,620.02 and 3,124.64 is: 4,313.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,070.66 : 5,620.02 = 3,124.64 : x
  2. Step 2: Convert to fraction form
    4,070.66/5,620.02 = 3,124.64/x
  3. Step 3: Cross multiply
    4,070.66x = 5,620.02 × 3,124.64
  4. Step 4: Simplify right side
    4,070.66x = 17,560,522.91
  5. Step 5: Solve for x
    x = 17,560,522.91/4,070.66
  6. Step 6: Final answer
    x = 4,313.93

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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.