Home / 5,448.08-7,518.60-4,190.48

Finding the Fourth Proportional to 5,448.08, 7,518.60 and 4,190.48

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Solution

The fourth proportional to 5,448.08, 7,518.60 and 4,190.48 is: 5,783.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.08 : 7,518.60 = 4,190.48 : x
  2. Step 2: Convert to fraction form
    5,448.08/7,518.60 = 4,190.48/x
  3. Step 3: Cross multiply
    5,448.08x = 7,518.60 × 4,190.48
  4. Step 4: Simplify right side
    5,448.08x = 31,506,542.93
  5. Step 5: Solve for x
    x = 31,506,542.93/5,448.08
  6. Step 6: Final answer
    x = 5,783.05

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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.