Home / 2,475.68-3,416.38-1,356.59

Finding the Fourth Proportional to 2,475.68, 3,416.38 and 1,356.59

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Solution

The fourth proportional to 2,475.68, 3,416.38 and 1,356.59 is: 1,872.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475.68 : 3,416.38 = 1,356.59 : x
  2. Step 2: Convert to fraction form
    2,475.68/3,416.38 = 1,356.59/x
  3. Step 3: Cross multiply
    2,475.68x = 3,416.38 × 1,356.59
  4. Step 4: Simplify right side
    2,475.68x = 4,634,632.09
  5. Step 5: Solve for x
    x = 4,634,632.09/2,475.68
  6. Step 6: Final answer
    x = 1,872.07

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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.