Home / 5,477.79-7,560.30-5,295.54

Finding the Fourth Proportional to 5,477.79, 7,560.30 and 5,295.54

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Solution

The fourth proportional to 5,477.79, 7,560.30 and 5,295.54 is: 7,308.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.79 : 7,560.30 = 5,295.54 : x
  2. Step 2: Convert to fraction form
    5,477.79/7,560.30 = 5,295.54/x
  3. Step 3: Cross multiply
    5,477.79x = 7,560.30 × 5,295.54
  4. Step 4: Simplify right side
    5,477.79x = 40,035,871.06
  5. Step 5: Solve for x
    x = 40,035,871.06/5,477.79
  6. Step 6: Final answer
    x = 7,308.76

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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.