Home / 2,475.96-3,416.68-1,356.88

Finding the Fourth Proportional to 2,475.96, 3,416.68 and 1,356.88

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Solution

The fourth proportional to 2,475.96, 3,416.68 and 1,356.88 is: 1,872.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475.96 : 3,416.68 = 1,356.88 : x
  2. Step 2: Convert to fraction form
    2,475.96/3,416.68 = 1,356.88/x
  3. Step 3: Cross multiply
    2,475.96x = 3,416.68 × 1,356.88
  4. Step 4: Simplify right side
    2,475.96x = 4,636,024.76
  5. Step 5: Solve for x
    x = 4,636,024.76/2,475.96
  6. Step 6: Final answer
    x = 1,872.42

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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.