Home / 5,424.03-7,482.30-3,431.13

Finding the Fourth Proportional to 5,424.03, 7,482.30 and 3,431.13

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Solution

The fourth proportional to 5,424.03, 7,482.30 and 3,431.13 is: 4,733.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.03 : 7,482.30 = 3,431.13 : x
  2. Step 2: Convert to fraction form
    5,424.03/7,482.30 = 3,431.13/x
  3. Step 3: Cross multiply
    5,424.03x = 7,482.30 × 3,431.13
  4. Step 4: Simplify right side
    5,424.03x = 25,672,744.00
  5. Step 5: Solve for x
    x = 25,672,744.00/5,424.03
  6. Step 6: Final answer
    x = 4,733.15

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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.