Home / 7,749.62-10,690.71-4,603.58

Finding the Fourth Proportional to 7,749.62, 10,690.71 and 4,603.58

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Solution

The fourth proportional to 7,749.62, 10,690.71 and 4,603.58 is: 6,350.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,749.62 : 10,690.71 = 4,603.58 : x
  2. Step 2: Convert to fraction form
    7,749.62/10,690.71 = 4,603.58/x
  3. Step 3: Cross multiply
    7,749.62x = 10,690.71 × 4,603.58
  4. Step 4: Simplify right side
    7,749.62x = 49,215,538.74
  5. Step 5: Solve for x
    x = 49,215,538.74/7,749.62
  6. Step 6: Final answer
    x = 6,350.70

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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.