Home / 5,423.01-7,476.51-4,307.64

Finding the Fourth Proportional to 5,423.01, 7,476.51 and 4,307.64

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Solution

The fourth proportional to 5,423.01, 7,476.51 and 4,307.64 is: 5,938.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.01 : 7,476.51 = 4,307.64 : x
  2. Step 2: Convert to fraction form
    5,423.01/7,476.51 = 4,307.64/x
  3. Step 3: Cross multiply
    5,423.01x = 7,476.51 × 4,307.64
  4. Step 4: Simplify right side
    5,423.01x = 32,206,113.54
  5. Step 5: Solve for x
    x = 32,206,113.54/5,423.01
  6. Step 6: Final answer
    x = 5,938.79

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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.