Home / 4,282.25-6,424.64-1,509.12

Finding the Fourth Proportional to 4,282.25, 6,424.64 and 1,509.12

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Solution

The fourth proportional to 4,282.25, 6,424.64 and 1,509.12 is: 2,264.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,282.25 : 6,424.64 = 1,509.12 : x
  2. Step 2: Convert to fraction form
    4,282.25/6,424.64 = 1,509.12/x
  3. Step 3: Cross multiply
    4,282.25x = 6,424.64 × 1,509.12
  4. Step 4: Simplify right side
    4,282.25x = 9,695,545.17
  5. Step 5: Solve for x
    x = 9,695,545.17/4,282.25
  6. Step 6: Final answer
    x = 2,264.13

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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.