Home / 4,125.48-5,690.58-2,531.28

Finding the Fourth Proportional to 4,125.48, 5,690.58 and 2,531.28

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Solution

The fourth proportional to 4,125.48, 5,690.58 and 2,531.28 is: 3,491.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,125.48 : 5,690.58 = 2,531.28 : x
  2. Step 2: Convert to fraction form
    4,125.48/5,690.58 = 2,531.28/x
  3. Step 3: Cross multiply
    4,125.48x = 5,690.58 × 2,531.28
  4. Step 4: Simplify right side
    4,125.48x = 14,404,451.34
  5. Step 5: Solve for x
    x = 14,404,451.34/4,125.48
  6. Step 6: Final answer
    x = 3,491.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.