Home / 3,492.12-5,235.40-2,393.12

Finding the Fourth Proportional to 3,492.12, 5,235.40 and 2,393.12

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Solution

The fourth proportional to 3,492.12, 5,235.40 and 2,393.12 is: 3,587.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,492.12 : 5,235.40 = 2,393.12 : x
  2. Step 2: Convert to fraction form
    3,492.12/5,235.40 = 2,393.12/x
  3. Step 3: Cross multiply
    3,492.12x = 5,235.40 × 2,393.12
  4. Step 4: Simplify right side
    3,492.12x = 12,528,940.45
  5. Step 5: Solve for x
    x = 12,528,940.45/3,492.12
  6. Step 6: Final answer
    x = 3,587.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.