Home / 1,567.59-2,163.56-1,008.75

Finding the Fourth Proportional to 1,567.59, 2,163.56 and 1,008.75

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Solution

The fourth proportional to 1,567.59, 2,163.56 and 1,008.75 is: 1,392.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567.59 : 2,163.56 = 1,008.75 : x
  2. Step 2: Convert to fraction form
    1,567.59/2,163.56 = 1,008.75/x
  3. Step 3: Cross multiply
    1,567.59x = 2,163.56 × 1,008.75
  4. Step 4: Simplify right side
    1,567.59x = 2,182,486.11
  5. Step 5: Solve for x
    x = 2,182,486.11/1,567.59
  6. Step 6: Final answer
    x = 1,392.26

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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.