Home / 3,534.45-4,877.67-1,962.84

Finding the Fourth Proportional to 3,534.45, 4,877.67 and 1,962.84

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Solution

The fourth proportional to 3,534.45, 4,877.67 and 1,962.84 is: 2,708.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,534.45 : 4,877.67 = 1,962.84 : x
  2. Step 2: Convert to fraction form
    3,534.45/4,877.67 = 1,962.84/x
  3. Step 3: Cross multiply
    3,534.45x = 4,877.67 × 1,962.84
  4. Step 4: Simplify right side
    3,534.45x = 9,574,085.78
  5. Step 5: Solve for x
    x = 9,574,085.78/3,534.45
  6. Step 6: Final answer
    x = 2,708.79

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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.