Home / 1,693.17-2,533.60-1,397.93

Finding the Fourth Proportional to 1,693.17, 2,533.60 and 1,397.93

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Solution

The fourth proportional to 1,693.17, 2,533.60 and 1,397.93 is: 2,091.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693.17 : 2,533.60 = 1,397.93 : x
  2. Step 2: Convert to fraction form
    1,693.17/2,533.60 = 1,397.93/x
  3. Step 3: Cross multiply
    1,693.17x = 2,533.60 × 1,397.93
  4. Step 4: Simplify right side
    1,693.17x = 3,541,782.78
  5. Step 5: Solve for x
    x = 3,541,782.78/1,693.17
  6. Step 6: Final answer
    x = 2,091.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.