Home / 3,367.28-4,646.64-1,875.12

Finding the Fourth Proportional to 3,367.28, 4,646.64 and 1,875.12

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Solution

The fourth proportional to 3,367.28, 4,646.64 and 1,875.12 is: 2,587.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,367.28 : 4,646.64 = 1,875.12 : x
  2. Step 2: Convert to fraction form
    3,367.28/4,646.64 = 1,875.12/x
  3. Step 3: Cross multiply
    3,367.28x = 4,646.64 × 1,875.12
  4. Step 4: Simplify right side
    3,367.28x = 8,713,007.60
  5. Step 5: Solve for x
    x = 8,713,007.60/3,367.28
  6. Step 6: Final answer
    x = 2,587.55

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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.