Home / 3,060.16-4,222.95-1,715.68

Finding the Fourth Proportional to 3,060.16, 4,222.95 and 1,715.68

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Solution

The fourth proportional to 3,060.16, 4,222.95 and 1,715.68 is: 2,367.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060.16 : 4,222.95 = 1,715.68 : x
  2. Step 2: Convert to fraction form
    3,060.16/4,222.95 = 1,715.68/x
  3. Step 3: Cross multiply
    3,060.16x = 4,222.95 × 1,715.68
  4. Step 4: Simplify right side
    3,060.16x = 7,245,230.86
  5. Step 5: Solve for x
    x = 7,245,230.86/3,060.16
  6. Step 6: Final answer
    x = 2,367.60

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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.