Home / 2,107.42-2,905.18-1,475.98

Finding the Fourth Proportional to 2,107.42, 2,905.18 and 1,475.98

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Solution

The fourth proportional to 2,107.42, 2,905.18 and 1,475.98 is: 2,034.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107.42 : 2,905.18 = 1,475.98 : x
  2. Step 2: Convert to fraction form
    2,107.42/2,905.18 = 1,475.98/x
  3. Step 3: Cross multiply
    2,107.42x = 2,905.18 × 1,475.98
  4. Step 4: Simplify right side
    2,107.42x = 4,287,987.58
  5. Step 5: Solve for x
    x = 4,287,987.58/2,107.42
  6. Step 6: Final answer
    x = 2,034.71

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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.