Home / 5,478.84-7,557.66-4,472.10

Finding the Fourth Proportional to 5,478.84, 7,557.66 and 4,472.10

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Solution

The fourth proportional to 5,478.84, 7,557.66 and 4,472.10 is: 6,168.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,478.84 : 7,557.66 = 4,472.10 : x
  2. Step 2: Convert to fraction form
    5,478.84/7,557.66 = 4,472.10/x
  3. Step 3: Cross multiply
    5,478.84x = 7,557.66 × 4,472.10
  4. Step 4: Simplify right side
    5,478.84x = 33,798,611.29
  5. Step 5: Solve for x
    x = 33,798,611.29/5,478.84
  6. Step 6: Final answer
    x = 6,168.94

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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.