Home / 5,348.16-7,378.56-3,486.24

Finding the Fourth Proportional to 5,348.16, 7,378.56 and 3,486.24

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Solution

The fourth proportional to 5,348.16, 7,378.56 and 3,486.24 is: 4,809.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,348.16 : 7,378.56 = 3,486.24 : x
  2. Step 2: Convert to fraction form
    5,348.16/7,378.56 = 3,486.24/x
  3. Step 3: Cross multiply
    5,348.16x = 7,378.56 × 3,486.24
  4. Step 4: Simplify right side
    5,348.16x = 25,723,431.01
  5. Step 5: Solve for x
    x = 25,723,431.01/5,348.16
  6. Step 6: Final answer
    x = 4,809.77

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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.