Home / 5,011.47-6,918.57-3,022.50

Finding the Fourth Proportional to 5,011.47, 6,918.57 and 3,022.50

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Solution

The fourth proportional to 5,011.47, 6,918.57 and 3,022.50 is: 4,172.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.47 : 6,918.57 = 3,022.50 : x
  2. Step 2: Convert to fraction form
    5,011.47/6,918.57 = 3,022.50/x
  3. Step 3: Cross multiply
    5,011.47x = 6,918.57 × 3,022.50
  4. Step 4: Simplify right side
    5,011.47x = 20,911,377.83
  5. Step 5: Solve for x
    x = 20,911,377.83/5,011.47
  6. Step 6: Final answer
    x = 4,172.70

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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.