Home / 5,429.64-7,492.80-3,333.72

Finding the Fourth Proportional to 5,429.64, 7,492.80 and 3,333.72

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Solution

The fourth proportional to 5,429.64, 7,492.80 and 3,333.72 is: 4,600.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429.64 : 7,492.80 = 3,333.72 : x
  2. Step 2: Convert to fraction form
    5,429.64/7,492.80 = 3,333.72/x
  3. Step 3: Cross multiply
    5,429.64x = 7,492.80 × 3,333.72
  4. Step 4: Simplify right side
    5,429.64x = 24,978,897.22
  5. Step 5: Solve for x
    x = 24,978,897.22/5,429.64
  6. Step 6: Final answer
    x = 4,600.47

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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.