Home / 7,434.84-10,258.92-4,290.42

Finding the Fourth Proportional to 7,434.84, 10,258.92 and 4,290.42

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Solution

The fourth proportional to 7,434.84, 10,258.92 and 4,290.42 is: 5,920.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,434.84 : 10,258.92 = 4,290.42 : x
  2. Step 2: Convert to fraction form
    7,434.84/10,258.92 = 4,290.42/x
  3. Step 3: Cross multiply
    7,434.84x = 10,258.92 × 4,290.42
  4. Step 4: Simplify right side
    7,434.84x = 44,015,075.55
  5. Step 5: Solve for x
    x = 44,015,075.55/7,434.84
  6. Step 6: Final answer
    x = 5,920.11

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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.