Home / 4,874.47-7,312.31-1,586.68

Finding the Fourth Proportional to 4,874.47, 7,312.31 and 1,586.68

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Solution

The fourth proportional to 4,874.47, 7,312.31 and 1,586.68 is: 2,380.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,874.47 : 7,312.31 = 1,586.68 : x
  2. Step 2: Convert to fraction form
    4,874.47/7,312.31 = 1,586.68/x
  3. Step 3: Cross multiply
    4,874.47x = 7,312.31 × 1,586.68
  4. Step 4: Simplify right side
    4,874.47x = 11,602,296.03
  5. Step 5: Solve for x
    x = 11,602,296.03/4,874.47
  6. Step 6: Final answer
    x = 2,380.22

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1.5x scale

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.