Home / 3,539.34-4,885.61-3,039.98

Finding the Fourth Proportional to 3,539.34, 4,885.61 and 3,039.98

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Solution

The fourth proportional to 3,539.34, 4,885.61 and 3,039.98 is: 4,196.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.34 : 4,885.61 = 3,039.98 : x
  2. Step 2: Convert to fraction form
    3,539.34/4,885.61 = 3,039.98/x
  3. Step 3: Cross multiply
    3,539.34x = 4,885.61 × 3,039.98
  4. Step 4: Simplify right side
    3,539.34x = 14,852,117.06
  5. Step 5: Solve for x
    x = 14,852,117.06/3,539.34
  6. Step 6: Final answer
    x = 4,196.30

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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.