Home / 2,475.09-3,704.18-1,929.74

Finding the Fourth Proportional to 2,475.09, 3,704.18 and 1,929.74

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Solution

The fourth proportional to 2,475.09, 3,704.18 and 1,929.74 is: 2,888.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475.09 : 3,704.18 = 1,929.74 : x
  2. Step 2: Convert to fraction form
    2,475.09/3,704.18 = 1,929.74/x
  3. Step 3: Cross multiply
    2,475.09x = 3,704.18 × 1,929.74
  4. Step 4: Simplify right side
    2,475.09x = 7,148,076.14
  5. Step 5: Solve for x
    x = 7,148,076.14/2,475.09
  6. Step 6: Final answer
    x = 2,888.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.