Home / 2,528.66-3,489.78-1,534.19

Finding the Fourth Proportional to 2,528.66, 3,489.78 and 1,534.19

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Solution

The fourth proportional to 2,528.66, 3,489.78 and 1,534.19 is: 2,117.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528.66 : 3,489.78 = 1,534.19 : x
  2. Step 2: Convert to fraction form
    2,528.66/3,489.78 = 1,534.19/x
  3. Step 3: Cross multiply
    2,528.66x = 3,489.78 × 1,534.19
  4. Step 4: Simplify right side
    2,528.66x = 5,353,985.58
  5. Step 5: Solve for x
    x = 5,353,985.58/2,528.66
  6. Step 6: Final answer
    x = 2,117.32

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Half scale
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Double scale
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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.