Home / 5,465.40-7,542.96-3,340.47

Finding the Fourth Proportional to 5,465.40, 7,542.96 and 3,340.47

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Solution

The fourth proportional to 5,465.40, 7,542.96 and 3,340.47 is: 4,610.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,465.40 : 7,542.96 = 3,340.47 : x
  2. Step 2: Convert to fraction form
    5,465.40/7,542.96 = 3,340.47/x
  3. Step 3: Cross multiply
    5,465.40x = 7,542.96 × 3,340.47
  4. Step 4: Simplify right side
    5,465.40x = 25,197,031.59
  5. Step 5: Solve for x
    x = 25,197,031.59/5,465.40
  6. Step 6: Final answer
    x = 4,610.28

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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.