Home / 4,913.40-7,355.70-4,337.40

Finding the Fourth Proportional to 4,913.40, 7,355.70 and 4,337.40

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Solution

The fourth proportional to 4,913.40, 7,355.70 and 4,337.40 is: 6,493.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,913.40 : 7,355.70 = 4,337.40 : x
  2. Step 2: Convert to fraction form
    4,913.40/7,355.70 = 4,337.40/x
  3. Step 3: Cross multiply
    4,913.40x = 7,355.70 × 4,337.40
  4. Step 4: Simplify right side
    4,913.40x = 31,904,613.18
  5. Step 5: Solve for x
    x = 31,904,613.18/4,913.40
  6. Step 6: Final answer
    x = 6,493.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.