Home / 2,475.10-3,416.89-1,914.30

Finding the Fourth Proportional to 2,475.10, 3,416.89 and 1,914.30

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Solution

The fourth proportional to 2,475.10, 3,416.89 and 1,914.30 is: 2,642.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475.10 : 3,416.89 = 1,914.30 : x
  2. Step 2: Convert to fraction form
    2,475.10/3,416.89 = 1,914.30/x
  3. Step 3: Cross multiply
    2,475.10x = 3,416.89 × 1,914.30
  4. Step 4: Simplify right side
    2,475.10x = 6,540,952.53
  5. Step 5: Solve for x
    x = 6,540,952.53/2,475.10
  6. Step 6: Final answer
    x = 2,642.70

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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.