Home / 1,475.13-2,035.52-845.63

Finding the Fourth Proportional to 1,475.13, 2,035.52 and 845.63

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Solution

The fourth proportional to 1,475.13, 2,035.52 and 845.63 is: 1,166.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475.13 : 2,035.52 = 845.63 : x
  2. Step 2: Convert to fraction form
    1,475.13/2,035.52 = 845.63/x
  3. Step 3: Cross multiply
    1,475.13x = 2,035.52 × 845.63
  4. Step 4: Simplify right side
    1,475.13x = 1,721,297.64
  5. Step 5: Solve for x
    x = 1,721,297.64/1,475.13
  6. Step 6: Final answer
    x = 1,166.88

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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.