Home / 5,265.25-7,265.90-2,907.34

Finding the Fourth Proportional to 5,265.25, 7,265.90 and 2,907.34

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Solution

The fourth proportional to 5,265.25, 7,265.90 and 2,907.34 is: 4,012.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265.25 : 7,265.90 = 2,907.34 : x
  2. Step 2: Convert to fraction form
    5,265.25/7,265.90 = 2,907.34/x
  3. Step 3: Cross multiply
    5,265.25x = 7,265.90 × 2,907.34
  4. Step 4: Simplify right side
    5,265.25x = 21,124,430.81
  5. Step 5: Solve for x
    x = 21,124,430.81/5,265.25
  6. Step 6: Final answer
    x = 4,012.05

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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.