Home / 4,071.62-5,618.93-2,303.19

Finding the Fourth Proportional to 4,071.62, 5,618.93 and 2,303.19

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Solution

The fourth proportional to 4,071.62, 5,618.93 and 2,303.19 is: 3,178.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,071.62 : 5,618.93 = 2,303.19 : x
  2. Step 2: Convert to fraction form
    4,071.62/5,618.93 = 2,303.19/x
  3. Step 3: Cross multiply
    4,071.62x = 5,618.93 × 2,303.19
  4. Step 4: Simplify right side
    4,071.62x = 12,941,463.39
  5. Step 5: Solve for x
    x = 12,941,463.39/4,071.62
  6. Step 6: Final answer
    x = 3,178.46

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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.