Home / 4,712.56-7,070.70-2,114.92

Finding the Fourth Proportional to 4,712.56, 7,070.70 and 2,114.92

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Solution

The fourth proportional to 4,712.56, 7,070.70 and 2,114.92 is: 3,173.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712.56 : 7,070.70 = 2,114.92 : x
  2. Step 2: Convert to fraction form
    4,712.56/7,070.70 = 2,114.92/x
  3. Step 3: Cross multiply
    4,712.56x = 7,070.70 × 2,114.92
  4. Step 4: Simplify right side
    4,712.56x = 14,953,964.84
  5. Step 5: Solve for x
    x = 14,953,964.84/4,712.56
  6. Step 6: Final answer
    x = 3,173.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.