Home / 2,265.60-3,125.28-1,333.92

Finding the Fourth Proportional to 2,265.60, 3,125.28 and 1,333.92

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Solution

The fourth proportional to 2,265.60, 3,125.28 and 1,333.92 is: 1,840.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265.60 : 3,125.28 = 1,333.92 : x
  2. Step 2: Convert to fraction form
    2,265.60/3,125.28 = 1,333.92/x
  3. Step 3: Cross multiply
    2,265.60x = 3,125.28 × 1,333.92
  4. Step 4: Simplify right side
    2,265.60x = 4,168,873.50
  5. Step 5: Solve for x
    x = 4,168,873.50/2,265.60
  6. Step 6: Final answer
    x = 1,840.07

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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.