Home / 5,455.27-7,529.47-3,465.45

Finding the Fourth Proportional to 5,455.27, 7,529.47 and 3,465.45

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Solution

The fourth proportional to 5,455.27, 7,529.47 and 3,465.45 is: 4,783.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.27 : 7,529.47 = 3,465.45 : x
  2. Step 2: Convert to fraction form
    5,455.27/7,529.47 = 3,465.45/x
  3. Step 3: Cross multiply
    5,455.27x = 7,529.47 × 3,465.45
  4. Step 4: Simplify right side
    5,455.27x = 26,092,966.26
  5. Step 5: Solve for x
    x = 26,092,966.26/5,455.27
  6. Step 6: Final answer
    x = 4,783.07

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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.