Home / 5,364.63-7,402.49-3,126.90

Finding the Fourth Proportional to 5,364.63, 7,402.49 and 3,126.90

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Solution

The fourth proportional to 5,364.63, 7,402.49 and 3,126.90 is: 4,314.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,364.63 : 7,402.49 = 3,126.90 : x
  2. Step 2: Convert to fraction form
    5,364.63/7,402.49 = 3,126.90/x
  3. Step 3: Cross multiply
    5,364.63x = 7,402.49 × 3,126.90
  4. Step 4: Simplify right side
    5,364.63x = 23,146,869.83
  5. Step 5: Solve for x
    x = 23,146,869.83/5,364.63
  6. Step 6: Final answer
    x = 4,314.72

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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.