Home / 1,624.16-2,436.06-528.52

Finding the Fourth Proportional to 1,624.16, 2,436.06 and 528.52

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Solution

The fourth proportional to 1,624.16, 2,436.06 and 528.52 is: 792.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624.16 : 2,436.06 = 528.52 : x
  2. Step 2: Convert to fraction form
    1,624.16/2,436.06 = 528.52/x
  3. Step 3: Cross multiply
    1,624.16x = 2,436.06 × 528.52
  4. Step 4: Simplify right side
    1,624.16x = 1,287,506.43
  5. Step 5: Solve for x
    x = 1,287,506.43/1,624.16
  6. Step 6: Final answer
    x = 792.72

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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.