Home / 1,513.08-2,282.76-1,509.03

Finding the Fourth Proportional to 1,513.08, 2,282.76 and 1,509.03

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Solution

The fourth proportional to 1,513.08, 2,282.76 and 1,509.03 is: 2,276.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513.08 : 2,282.76 = 1,509.03 : x
  2. Step 2: Convert to fraction form
    1,513.08/2,282.76 = 1,509.03/x
  3. Step 3: Cross multiply
    1,513.08x = 2,282.76 × 1,509.03
  4. Step 4: Simplify right side
    1,513.08x = 3,444,753.32
  5. Step 5: Solve for x
    x = 3,444,753.32/1,513.08
  6. Step 6: Final answer
    x = 2,276.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.