Home / 7,540.04-10,403.11-4,395.62

Finding the Fourth Proportional to 7,540.04, 10,403.11 and 4,395.62

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Solution

The fourth proportional to 7,540.04, 10,403.11 and 4,395.62 is: 6,064.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,540.04 : 10,403.11 = 4,395.62 : x
  2. Step 2: Convert to fraction form
    7,540.04/10,403.11 = 4,395.62/x
  3. Step 3: Cross multiply
    7,540.04x = 10,403.11 × 4,395.62
  4. Step 4: Simplify right side
    7,540.04x = 45,728,055.37
  5. Step 5: Solve for x
    x = 45,728,055.37/7,540.04
  6. Step 6: Final answer
    x = 6,064.70

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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.