Home / 5,417.72-8,126.58-1,522.13

Finding the Fourth Proportional to 5,417.72, 8,126.58 and 1,522.13

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Solution

The fourth proportional to 5,417.72, 8,126.58 and 1,522.13 is: 2,283.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.72 : 8,126.58 = 1,522.13 : x
  2. Step 2: Convert to fraction form
    5,417.72/8,126.58 = 1,522.13/x
  3. Step 3: Cross multiply
    5,417.72x = 8,126.58 × 1,522.13
  4. Step 4: Simplify right side
    5,417.72x = 12,369,670.58
  5. Step 5: Solve for x
    x = 12,369,670.58/5,417.72
  6. Step 6: Final answer
    x = 2,283.19

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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.