Home / 2,475.42-3,416.05-1,356.35

Finding the Fourth Proportional to 2,475.42, 3,416.05 and 1,356.35

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Solution

The fourth proportional to 2,475.42, 3,416.05 and 1,356.35 is: 1,871.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475.42 : 3,416.05 = 1,356.35 : x
  2. Step 2: Convert to fraction form
    2,475.42/3,416.05 = 1,356.35/x
  3. Step 3: Cross multiply
    2,475.42x = 3,416.05 × 1,356.35
  4. Step 4: Simplify right side
    2,475.42x = 4,633,345.94
  5. Step 5: Solve for x
    x = 4,633,345.94/2,475.42
  6. Step 6: Final answer
    x = 1,871.74

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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.