Home / 4,740.70-7,109.82-2,275.06

Finding the Fourth Proportional to 4,740.70, 7,109.82 and 2,275.06

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Solution

The fourth proportional to 4,740.70, 7,109.82 and 2,275.06 is: 3,412.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.70 : 7,109.82 = 2,275.06 : x
  2. Step 2: Convert to fraction form
    4,740.70/7,109.82 = 2,275.06/x
  3. Step 3: Cross multiply
    4,740.70x = 7,109.82 × 2,275.06
  4. Step 4: Simplify right side
    4,740.70x = 16,175,267.09
  5. Step 5: Solve for x
    x = 16,175,267.09/4,740.70
  6. Step 6: Final answer
    x = 3,412.00

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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.