Home / 5,557.48-7,669.28-3,039.58

Finding the Fourth Proportional to 5,557.48, 7,669.28 and 3,039.58

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Solution

The fourth proportional to 5,557.48, 7,669.28 and 3,039.58 is: 4,194.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,557.48 : 7,669.28 = 3,039.58 : x
  2. Step 2: Convert to fraction form
    5,557.48/7,669.28 = 3,039.58/x
  3. Step 3: Cross multiply
    5,557.48x = 7,669.28 × 3,039.58
  4. Step 4: Simplify right side
    5,557.48x = 23,311,390.10
  5. Step 5: Solve for x
    x = 23,311,390.10/5,557.48
  6. Step 6: Final answer
    x = 4,194.60

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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.