Home / 1,770.46-2,445.59-1,443.02

Finding the Fourth Proportional to 1,770.46, 2,445.59 and 1,443.02

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Solution

The fourth proportional to 1,770.46, 2,445.59 and 1,443.02 is: 1,993.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770.46 : 2,445.59 = 1,443.02 : x
  2. Step 2: Convert to fraction form
    1,770.46/2,445.59 = 1,443.02/x
  3. Step 3: Cross multiply
    1,770.46x = 2,445.59 × 1,443.02
  4. Step 4: Simplify right side
    1,770.46x = 3,529,026.66
  5. Step 5: Solve for x
    x = 3,529,026.66/1,770.46
  6. Step 6: Final answer
    x = 1,993.29

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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.