Home / 5,320.94-7,342.86-3,082.77

Finding the Fourth Proportional to 5,320.94, 7,342.86 and 3,082.77

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Solution

The fourth proportional to 5,320.94, 7,342.86 and 3,082.77 is: 4,254.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.94 : 7,342.86 = 3,082.77 : x
  2. Step 2: Convert to fraction form
    5,320.94/7,342.86 = 3,082.77/x
  3. Step 3: Cross multiply
    5,320.94x = 7,342.86 × 3,082.77
  4. Step 4: Simplify right side
    5,320.94x = 22,636,348.52
  5. Step 5: Solve for x
    x = 22,636,348.52/5,320.94
  6. Step 6: Final answer
    x = 4,254.20

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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.