Home / 5,272.65-7,909.38-1,574.60

Finding the Fourth Proportional to 5,272.65, 7,909.38 and 1,574.60

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Solution

The fourth proportional to 5,272.65, 7,909.38 and 1,574.60 is: 2,362.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.65 : 7,909.38 = 1,574.60 : x
  2. Step 2: Convert to fraction form
    5,272.65/7,909.38 = 1,574.60/x
  3. Step 3: Cross multiply
    5,272.65x = 7,909.38 × 1,574.60
  4. Step 4: Simplify right side
    5,272.65x = 12,454,070.20
  5. Step 5: Solve for x
    x = 12,454,070.20/5,272.65
  6. Step 6: Final answer
    x = 2,362.01

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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.