Home / 2,373.75-3,275.78-1,325.84

Finding the Fourth Proportional to 2,373.75, 3,275.78 and 1,325.84

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Solution

The fourth proportional to 2,373.75, 3,275.78 and 1,325.84 is: 1,829.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,373.75 : 3,275.78 = 1,325.84 : x
  2. Step 2: Convert to fraction form
    2,373.75/3,275.78 = 1,325.84/x
  3. Step 3: Cross multiply
    2,373.75x = 3,275.78 × 1,325.84
  4. Step 4: Simplify right side
    2,373.75x = 4,343,137.15
  5. Step 5: Solve for x
    x = 4,343,137.15/2,373.75
  6. Step 6: Final answer
    x = 1,829.65

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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.