Home / 3,557.24-4,897.98-3,084.30

Finding the Fourth Proportional to 3,557.24, 4,897.98 and 3,084.30

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Solution

The fourth proportional to 3,557.24, 4,897.98 and 3,084.30 is: 4,246.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.24 : 4,897.98 = 3,084.30 : x
  2. Step 2: Convert to fraction form
    3,557.24/4,897.98 = 3,084.30/x
  3. Step 3: Cross multiply
    3,557.24x = 4,897.98 × 3,084.30
  4. Step 4: Simplify right side
    3,557.24x = 15,106,839.71
  5. Step 5: Solve for x
    x = 15,106,839.71/3,557.24
  6. Step 6: Final answer
    x = 4,246.79

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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.