Home / 5,429.02-7,492.32-3,191.02

Finding the Fourth Proportional to 5,429.02, 7,492.32 and 3,191.02

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Solution

The fourth proportional to 5,429.02, 7,492.32 and 3,191.02 is: 4,403.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429.02 : 7,492.32 = 3,191.02 : x
  2. Step 2: Convert to fraction form
    5,429.02/7,492.32 = 3,191.02/x
  3. Step 3: Cross multiply
    5,429.02x = 7,492.32 × 3,191.02
  4. Step 4: Simplify right side
    5,429.02x = 23,908,142.97
  5. Step 5: Solve for x
    x = 23,908,142.97/5,429.02
  6. Step 6: Final answer
    x = 4,403.77

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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.