Home / 5,300.19-7,946.93-2,666.98

Finding the Fourth Proportional to 5,300.19, 7,946.93 and 2,666.98

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Solution

The fourth proportional to 5,300.19, 7,946.93 and 2,666.98 is: 3,998.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,300.19 : 7,946.93 = 2,666.98 : x
  2. Step 2: Convert to fraction form
    5,300.19/7,946.93 = 2,666.98/x
  3. Step 3: Cross multiply
    5,300.19x = 7,946.93 × 2,666.98
  4. Step 4: Simplify right side
    5,300.19x = 21,194,290.17
  5. Step 5: Solve for x
    x = 21,194,290.17/5,300.19
  6. Step 6: Final answer
    x = 3,998.78

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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.