Home / 5,325.28-7,348.16-3,085.36

Finding the Fourth Proportional to 5,325.28, 7,348.16 and 3,085.36

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Solution

The fourth proportional to 5,325.28, 7,348.16 and 3,085.36 is: 4,257.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,325.28 : 7,348.16 = 3,085.36 : x
  2. Step 2: Convert to fraction form
    5,325.28/7,348.16 = 3,085.36/x
  3. Step 3: Cross multiply
    5,325.28x = 7,348.16 × 3,085.36
  4. Step 4: Simplify right side
    5,325.28x = 22,671,718.94
  5. Step 5: Solve for x
    x = 22,671,718.94/5,325.28
  6. Step 6: Final answer
    x = 4,257.38

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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.