Home / 5,271.74-7,907.60-1,376.11

Finding the Fourth Proportional to 5,271.74, 7,907.60 and 1,376.11

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Solution

The fourth proportional to 5,271.74, 7,907.60 and 1,376.11 is: 2,064.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.74 : 7,907.60 = 1,376.11 : x
  2. Step 2: Convert to fraction form
    5,271.74/7,907.60 = 1,376.11/x
  3. Step 3: Cross multiply
    5,271.74x = 7,907.60 × 1,376.11
  4. Step 4: Simplify right side
    5,271.74x = 10,881,711.11
  5. Step 5: Solve for x
    x = 10,881,711.11/5,271.74
  6. Step 6: Final answer
    x = 2,064.16

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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.