Home / 3,510.92-4,842.80-2,315.57

Finding the Fourth Proportional to 3,510.92, 4,842.80 and 2,315.57

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Solution

The fourth proportional to 3,510.92, 4,842.80 and 2,315.57 is: 3,193.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,510.92 : 4,842.80 = 2,315.57 : x
  2. Step 2: Convert to fraction form
    3,510.92/4,842.80 = 2,315.57/x
  3. Step 3: Cross multiply
    3,510.92x = 4,842.80 × 2,315.57
  4. Step 4: Simplify right side
    3,510.92x = 11,213,806.60
  5. Step 5: Solve for x
    x = 11,213,806.60/3,510.92
  6. Step 6: Final answer
    x = 3,193.98

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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.