Home / 5,398.04-7,454.63-3,723.77

Finding the Fourth Proportional to 5,398.04, 7,454.63 and 3,723.77

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Solution

The fourth proportional to 5,398.04, 7,454.63 and 3,723.77 is: 5,142.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398.04 : 7,454.63 = 3,723.77 : x
  2. Step 2: Convert to fraction form
    5,398.04/7,454.63 = 3,723.77/x
  3. Step 3: Cross multiply
    5,398.04x = 7,454.63 × 3,723.77
  4. Step 4: Simplify right side
    5,398.04x = 27,759,355.50
  5. Step 5: Solve for x
    x = 27,759,355.50/5,398.04
  6. Step 6: Final answer
    x = 5,142.49

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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.