Home / 2,260.70-3,119.95-1,303.92

Finding the Fourth Proportional to 2,260.70, 3,119.95 and 1,303.92

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Solution

The fourth proportional to 2,260.70, 3,119.95 and 1,303.92 is: 1,799.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,260.70 : 3,119.95 = 1,303.92 : x
  2. Step 2: Convert to fraction form
    2,260.70/3,119.95 = 1,303.92/x
  3. Step 3: Cross multiply
    2,260.70x = 3,119.95 × 1,303.92
  4. Step 4: Simplify right side
    2,260.70x = 4,068,165.20
  5. Step 5: Solve for x
    x = 4,068,165.20/2,260.70
  6. Step 6: Final answer
    x = 1,799.52

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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.