Home / 5,479.37-7,554.16-3,587.68

Finding the Fourth Proportional to 5,479.37, 7,554.16 and 3,587.68

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Solution

The fourth proportional to 5,479.37, 7,554.16 and 3,587.68 is: 4,946.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479.37 : 7,554.16 = 3,587.68 : x
  2. Step 2: Convert to fraction form
    5,479.37/7,554.16 = 3,587.68/x
  3. Step 3: Cross multiply
    5,479.37x = 7,554.16 × 3,587.68
  4. Step 4: Simplify right side
    5,479.37x = 27,101,908.75
  5. Step 5: Solve for x
    x = 27,101,908.75/5,479.37
  6. Step 6: Final answer
    x = 4,946.17

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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.