Home / 3,534.60-4,877.52-1,941.28

Finding the Fourth Proportional to 3,534.60, 4,877.52 and 1,941.28

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Solution

The fourth proportional to 3,534.60, 4,877.52 and 1,941.28 is: 2,678.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,534.60 : 4,877.52 = 1,941.28 : x
  2. Step 2: Convert to fraction form
    3,534.60/4,877.52 = 1,941.28/x
  3. Step 3: Cross multiply
    3,534.60x = 4,877.52 × 1,941.28
  4. Step 4: Simplify right side
    3,534.60x = 9,468,607.64
  5. Step 5: Solve for x
    x = 9,468,607.64/3,534.60
  6. Step 6: Final answer
    x = 2,678.83

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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.