Home / 5,364.42-7,403.58-3,126.40

Finding the Fourth Proportional to 5,364.42, 7,403.58 and 3,126.40

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Solution

The fourth proportional to 5,364.42, 7,403.58 and 3,126.40 is: 4,314.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,364.42 : 7,403.58 = 3,126.40 : x
  2. Step 2: Convert to fraction form
    5,364.42/7,403.58 = 3,126.40/x
  3. Step 3: Cross multiply
    5,364.42x = 7,403.58 × 3,126.40
  4. Step 4: Simplify right side
    5,364.42x = 23,146,552.51
  5. Step 5: Solve for x
    x = 23,146,552.51/5,364.42
  6. Step 6: Final answer
    x = 4,314.83

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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.