Home / 3,523.67-4,851.59-2,991.45

Finding the Fourth Proportional to 3,523.67, 4,851.59 and 2,991.45

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Solution

The fourth proportional to 3,523.67, 4,851.59 and 2,991.45 is: 4,118.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,523.67 : 4,851.59 = 2,991.45 : x
  2. Step 2: Convert to fraction form
    3,523.67/4,851.59 = 2,991.45/x
  3. Step 3: Cross multiply
    3,523.67x = 4,851.59 × 2,991.45
  4. Step 4: Simplify right side
    3,523.67x = 14,513,281.68
  5. Step 5: Solve for x
    x = 14,513,281.68/3,523.67
  6. Step 6: Final answer
    x = 4,118.80

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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.