Home / 5,429.52-7,492.30-3,160.51

Finding the Fourth Proportional to 5,429.52, 7,492.30 and 3,160.51

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Solution

The fourth proportional to 5,429.52, 7,492.30 and 3,160.51 is: 4,361.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429.52 : 7,492.30 = 3,160.51 : x
  2. Step 2: Convert to fraction form
    5,429.52/7,492.30 = 3,160.51/x
  3. Step 3: Cross multiply
    5,429.52x = 7,492.30 × 3,160.51
  4. Step 4: Simplify right side
    5,429.52x = 23,679,489.07
  5. Step 5: Solve for x
    x = 23,679,489.07/5,429.52
  6. Step 6: Final answer
    x = 4,361.25

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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.