Home / 5,417.72-8,126.40-1,522.04

Finding the Fourth Proportional to 5,417.72, 8,126.40 and 1,522.04

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Solution

The fourth proportional to 5,417.72, 8,126.40 and 1,522.04 is: 2,283.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.72 : 8,126.40 = 1,522.04 : x
  2. Step 2: Convert to fraction form
    5,417.72/8,126.40 = 1,522.04/x
  3. Step 3: Cross multiply
    5,417.72x = 8,126.40 × 1,522.04
  4. Step 4: Simplify right side
    5,417.72x = 12,368,705.86
  5. Step 5: Solve for x
    x = 12,368,705.86/5,417.72
  6. Step 6: Final answer
    x = 2,283.01

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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.