Home / 5,548.40-7,656.76-3,030.48

Finding the Fourth Proportional to 5,548.40, 7,656.76 and 3,030.48

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Solution

The fourth proportional to 5,548.40, 7,656.76 and 3,030.48 is: 4,182.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,548.40 : 7,656.76 = 3,030.48 : x
  2. Step 2: Convert to fraction form
    5,548.40/7,656.76 = 3,030.48/x
  3. Step 3: Cross multiply
    5,548.40x = 7,656.76 × 3,030.48
  4. Step 4: Simplify right side
    5,548.40x = 23,203,661.83
  5. Step 5: Solve for x
    x = 23,203,661.83/5,548.40
  6. Step 6: Final answer
    x = 4,182.05

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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.