Home / 5,290.87-7,301.01-2,900.46

Finding the Fourth Proportional to 5,290.87, 7,301.01 and 2,900.46

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Solution

The fourth proportional to 5,290.87, 7,301.01 and 2,900.46 is: 4,002.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,290.87 : 7,301.01 = 2,900.46 : x
  2. Step 2: Convert to fraction form
    5,290.87/7,301.01 = 2,900.46/x
  3. Step 3: Cross multiply
    5,290.87x = 7,301.01 × 2,900.46
  4. Step 4: Simplify right side
    5,290.87x = 21,176,276.49
  5. Step 5: Solve for x
    x = 21,176,276.49/5,290.87
  6. Step 6: Final answer
    x = 4,002.42

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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.