Home / 4,913.04-6,778.80-3,424.08

Finding the Fourth Proportional to 4,913.04, 6,778.80 and 3,424.08

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Solution

The fourth proportional to 4,913.04, 6,778.80 and 3,424.08 is: 4,724.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,913.04 : 6,778.80 = 3,424.08 : x
  2. Step 2: Convert to fraction form
    4,913.04/6,778.80 = 3,424.08/x
  3. Step 3: Cross multiply
    4,913.04x = 6,778.80 × 3,424.08
  4. Step 4: Simplify right side
    4,913.04x = 23,211,153.50
  5. Step 5: Solve for x
    x = 23,211,153.50/4,913.04
  6. Step 6: Final answer
    x = 4,724.40

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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.