Home / 1,624.76-2,438.35-1,009.36

Finding the Fourth Proportional to 1,624.76, 2,438.35 and 1,009.36

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Solution

The fourth proportional to 1,624.76, 2,438.35 and 1,009.36 is: 1,514.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624.76 : 2,438.35 = 1,009.36 : x
  2. Step 2: Convert to fraction form
    1,624.76/2,438.35 = 1,009.36/x
  3. Step 3: Cross multiply
    1,624.76x = 2,438.35 × 1,009.36
  4. Step 4: Simplify right side
    1,624.76x = 2,461,179.16
  5. Step 5: Solve for x
    x = 2,461,179.16/1,624.76
  6. Step 6: Final answer
    x = 1,514.80

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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.