Home / 1,675.34-2,313.17-1,117.13

Finding the Fourth Proportional to 1,675.34, 2,313.17 and 1,117.13

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Solution

The fourth proportional to 1,675.34, 2,313.17 and 1,117.13 is: 1,542.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675.34 : 2,313.17 = 1,117.13 : x
  2. Step 2: Convert to fraction form
    1,675.34/2,313.17 = 1,117.13/x
  3. Step 3: Cross multiply
    1,675.34x = 2,313.17 × 1,117.13
  4. Step 4: Simplify right side
    1,675.34x = 2,584,097.24
  5. Step 5: Solve for x
    x = 2,584,097.24/1,675.34
  6. Step 6: Final answer
    x = 1,542.43

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Half 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.