Home / 1,532.25-2,298.35-436.46

Finding the Fourth Proportional to 1,532.25, 2,298.35 and 436.46

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Solution

The fourth proportional to 1,532.25, 2,298.35 and 436.46 is: 654.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532.25 : 2,298.35 = 436.46 : x
  2. Step 2: Convert to fraction form
    1,532.25/2,298.35 = 436.46/x
  3. Step 3: Cross multiply
    1,532.25x = 2,298.35 × 436.46
  4. Step 4: Simplify right side
    1,532.25x = 1,003,127.44
  5. Step 5: Solve for x
    x = 1,003,127.44/1,532.25
  6. Step 6: Final answer
    x = 654.68

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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.