Home / 3,113.04-4,298.40-2,443.08

Finding the Fourth Proportional to 3,113.04, 4,298.40 and 2,443.08

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Solution

The fourth proportional to 3,113.04, 4,298.40 and 2,443.08 is: 3,373.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.04 : 4,298.40 = 2,443.08 : x
  2. Step 2: Convert to fraction form
    3,113.04/4,298.40 = 2,443.08/x
  3. Step 3: Cross multiply
    3,113.04x = 4,298.40 × 2,443.08
  4. Step 4: Simplify right side
    3,113.04x = 10,501,335.07
  5. Step 5: Solve for x
    x = 10,501,335.07/3,113.04
  6. Step 6: Final answer
    x = 3,373.34

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Half scale
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Double scale
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Similar ratio
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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.