Home / 5,478.43-7,557.91-3,353.16

Finding the Fourth Proportional to 5,478.43, 7,557.91 and 3,353.16

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Solution

The fourth proportional to 5,478.43, 7,557.91 and 3,353.16 is: 4,625.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,478.43 : 7,557.91 = 3,353.16 : x
  2. Step 2: Convert to fraction form
    5,478.43/7,557.91 = 3,353.16/x
  3. Step 3: Cross multiply
    5,478.43x = 7,557.91 × 3,353.16
  4. Step 4: Simplify right side
    5,478.43x = 25,342,881.50
  5. Step 5: Solve for x
    x = 25,342,881.50/5,478.43
  6. Step 6: Final answer
    x = 4,625.94

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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.