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Finding the Fourth Proportional to 1,739.03, 2,398.62 and 1,076.19

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Solution

The fourth proportional to 1,739.03, 2,398.62 and 1,076.19 is: 1,484.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739.03 : 2,398.62 = 1,076.19 : x
  2. Step 2: Convert to fraction form
    1,739.03/2,398.62 = 1,076.19/x
  3. Step 3: Cross multiply
    1,739.03x = 2,398.62 × 1,076.19
  4. Step 4: Simplify right side
    1,739.03x = 2,581,368.17
  5. Step 5: Solve for x
    x = 2,581,368.17/1,739.03
  6. Step 6: Final answer
    x = 1,484.38

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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.