Home / 5,705.48-7,871.46-3,346.76

Finding the Fourth Proportional to 5,705.48, 7,871.46 and 3,346.76

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Solution

The fourth proportional to 5,705.48, 7,871.46 and 3,346.76 is: 4,617.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,705.48 : 7,871.46 = 3,346.76 : x
  2. Step 2: Convert to fraction form
    5,705.48/7,871.46 = 3,346.76/x
  3. Step 3: Cross multiply
    5,705.48x = 7,871.46 × 3,346.76
  4. Step 4: Simplify right side
    5,705.48x = 26,343,887.47
  5. Step 5: Solve for x
    x = 26,343,887.47/5,705.48
  6. Step 6: Final answer
    x = 4,617.30

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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.